Home / 745,511.40-1,118,267.10-246,875.40

Finding the Fourth Proportional to 745,511.40, 1,118,267.10 and 246,875.40

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Solution

The fourth proportional to 745,511.40, 1,118,267.10 and 246,875.40 is: 370,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,511.40 : 1,118,267.10 = 246,875.40 : x
  2. Step 2: Convert to fraction form
    745,511.40/1,118,267.10 = 246,875.40/x
  3. Step 3: Cross multiply
    745,511.40x = 1,118,267.10 × 246,875.40
  4. Step 4: Simplify right side
    745,511.40x = 276,072,637,619.34
  5. Step 5: Solve for x
    x = 276,072,637,619.34/745,511.40
  6. Step 6: Final answer
    x = 370,313.10

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Half scale
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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.