Home / 731,481.39-1,009,483.52-409,172.27

Finding the Fourth Proportional to 731,481.39, 1,009,483.52 and 409,172.27

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Solution

The fourth proportional to 731,481.39, 1,009,483.52 and 409,172.27 is: 564,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,481.39 : 1,009,483.52 = 409,172.27 : x
  2. Step 2: Convert to fraction form
    731,481.39/1,009,483.52 = 409,172.27/x
  3. Step 3: Cross multiply
    731,481.39x = 1,009,483.52 × 409,172.27
  4. Step 4: Simplify right side
    731,481.39x = 413,052,656,312.71
  5. Step 5: Solve for x
    x = 413,052,656,312.71/731,481.39
  6. Step 6: Final answer
    x = 564,679.65

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Double scale
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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.