Home / 1,313,410.20-1,970,115.30-514,426.20

Finding the Fourth Proportional to 1,313,410.20, 1,970,115.30 and 514,426.20

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Solution

The fourth proportional to 1,313,410.20, 1,970,115.30 and 514,426.20 is: 771,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,410.20 : 1,970,115.30 = 514,426.20 : x
  2. Step 2: Convert to fraction form
    1,313,410.20/1,970,115.30 = 514,426.20/x
  3. Step 3: Cross multiply
    1,313,410.20x = 1,970,115.30 × 514,426.20
  4. Step 4: Simplify right side
    1,313,410.20x = 1,013,478,927,340.86
  5. Step 5: Solve for x
    x = 1,013,478,927,340.86/1,313,410.20
  6. Step 6: Final answer
    x = 771,639.30

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Half scale
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Double scale
Find fourth proportional to 1,313,411.20, 1,970,116.80 and 514,427.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.