Home / 731,409.56-1,096,719.85-331,832.31

Finding the Fourth Proportional to 731,409.56, 1,096,719.85 and 331,832.31

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Solution

The fourth proportional to 731,409.56, 1,096,719.85 and 331,832.31 is: 497,569.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,409.56 : 1,096,719.85 = 331,832.31 : x
  2. Step 2: Convert to fraction form
    731,409.56/1,096,719.85 = 331,832.31/x
  3. Step 3: Cross multiply
    731,409.56x = 1,096,719.85 × 331,832.31
  4. Step 4: Simplify right side
    731,409.56x = 363,927,081,248.35
  5. Step 5: Solve for x
    x = 363,927,081,248.35/731,409.56
  6. Step 6: Final answer
    x = 497,569.49

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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.