Home / 731,278.02-1,097,286.06-331,663.92

Finding the Fourth Proportional to 731,278.02, 1,097,286.06 and 331,663.92

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Solution

The fourth proportional to 731,278.02, 1,097,286.06 and 331,663.92 is: 497,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,278.02 : 1,097,286.06 = 331,663.92 : x
  2. Step 2: Convert to fraction form
    731,278.02/1,097,286.06 = 331,663.92/x
  3. Step 3: Cross multiply
    731,278.02x = 1,097,286.06 × 331,663.92
  4. Step 4: Simplify right side
    731,278.02x = 363,930,196,020.96
  5. Step 5: Solve for x
    x = 363,930,196,020.96/731,278.02
  6. Step 6: Final answer
    x = 497,663.25

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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.