Home / 730,519.39-1,008,114.42-408,229.48

Finding the Fourth Proportional to 730,519.39, 1,008,114.42 and 408,229.48

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Solution

The fourth proportional to 730,519.39, 1,008,114.42 and 408,229.48 is: 563,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,519.39 : 1,008,114.42 = 408,229.48 : x
  2. Step 2: Convert to fraction form
    730,519.39/1,008,114.42 = 408,229.48/x
  3. Step 3: Cross multiply
    730,519.39x = 1,008,114.42 × 408,229.48
  4. Step 4: Simplify right side
    730,519.39x = 411,542,025,457.10
  5. Step 5: Solve for x
    x = 411,542,025,457.10/730,519.39
  6. Step 6: Final answer
    x = 563,355.38

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.