Home / 730,481.54-1,008,045.14-408,194.28

Finding the Fourth Proportional to 730,481.54, 1,008,045.14 and 408,194.28

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Solution

The fourth proportional to 730,481.54, 1,008,045.14 and 408,194.28 is: 563,297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,481.54 : 1,008,045.14 = 408,194.28 : x
  2. Step 2: Convert to fraction form
    730,481.54/1,008,045.14 = 408,194.28/x
  3. Step 3: Cross multiply
    730,481.54x = 1,008,045.14 × 408,194.28
  4. Step 4: Simplify right side
    730,481.54x = 411,478,260,129.80
  5. Step 5: Solve for x
    x = 411,478,260,129.80/730,481.54
  6. Step 6: Final answer
    x = 563,297.27

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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.