Home / 827,158.20-1,240,737.30-617,206.20

Finding the Fourth Proportional to 827,158.20, 1,240,737.30 and 617,206.20

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Solution

The fourth proportional to 827,158.20, 1,240,737.30 and 617,206.20 is: 925,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,158.20 : 1,240,737.30 = 617,206.20 : x
  2. Step 2: Convert to fraction form
    827,158.20/1,240,737.30 = 617,206.20/x
  3. Step 3: Cross multiply
    827,158.20x = 1,240,737.30 × 617,206.20
  4. Step 4: Simplify right side
    827,158.20x = 765,790,754,131.26
  5. Step 5: Solve for x
    x = 765,790,754,131.26/827,158.20
  6. Step 6: Final answer
    x = 925,809.30

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Double scale
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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.