Home / 731,921.70-1,097,882.55-507,972.90

Finding the Fourth Proportional to 731,921.70, 1,097,882.55 and 507,972.90

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Solution

The fourth proportional to 731,921.70, 1,097,882.55 and 507,972.90 is: 761,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,921.70 : 1,097,882.55 = 507,972.90 : x
  2. Step 2: Convert to fraction form
    731,921.70/1,097,882.55 = 507,972.90/x
  3. Step 3: Cross multiply
    731,921.70x = 1,097,882.55 × 507,972.90
  4. Step 4: Simplify right side
    731,921.70x = 557,694,582,782.90
  5. Step 5: Solve for x
    x = 557,694,582,782.90/731,921.70
  6. Step 6: Final answer
    x = 761,959.35

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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.