Home / 731,320.22-1,009,273.50-409,060.31

Finding the Fourth Proportional to 731,320.22, 1,009,273.50 and 409,060.31

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Solution

The fourth proportional to 731,320.22, 1,009,273.50 and 409,060.31 is: 564,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,320.22 : 1,009,273.50 = 409,060.31 : x
  2. Step 2: Convert to fraction form
    731,320.22/1,009,273.50 = 409,060.31/x
  3. Step 3: Cross multiply
    731,320.22x = 1,009,273.50 × 409,060.31
  4. Step 4: Simplify right side
    731,320.22x = 412,853,725,738.42
  5. Step 5: Solve for x
    x = 412,853,725,738.42/731,320.22
  6. Step 6: Final answer
    x = 564,532.08

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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.