Home / 472,475.26-707,923.86-331,982.38

Finding the Fourth Proportional to 472,475.26, 707,923.86 and 331,982.38

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Solution

The fourth proportional to 472,475.26, 707,923.86 and 331,982.38 is: 497,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,475.26 : 707,923.86 = 331,982.38 : x
  2. Step 2: Convert to fraction form
    472,475.26/707,923.86 = 331,982.38/x
  3. Step 3: Cross multiply
    472,475.26x = 707,923.86 × 331,982.38
  4. Step 4: Simplify right side
    472,475.26x = 235,018,247,901.59
  5. Step 5: Solve for x
    x = 235,018,247,901.59/472,475.26
  6. Step 6: Final answer
    x = 497,419.16

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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.