Home / 731,407.81-1,096,717.23-331,830.56

Finding the Fourth Proportional to 731,407.81, 1,096,717.23 and 331,830.56

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Solution

The fourth proportional to 731,407.81, 1,096,717.23 and 331,830.56 is: 497,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,407.81 : 1,096,717.23 = 331,830.56 : x
  2. Step 2: Convert to fraction form
    731,407.81/1,096,717.23 = 331,830.56/x
  3. Step 3: Cross multiply
    731,407.81x = 1,096,717.23 × 331,830.56
  4. Step 4: Simplify right side
    731,407.81x = 363,924,292,592.55
  5. Step 5: Solve for x
    x = 363,924,292,592.55/731,407.81
  6. Step 6: Final answer
    x = 497,566.87

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1.5x scale

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.