Home / 424,845.86-637,207.29-125,311.64

Finding the Fourth Proportional to 424,845.86, 637,207.29 and 125,311.64

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Solution

The fourth proportional to 424,845.86, 637,207.29 and 125,311.64 is: 187,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,845.86 : 637,207.29 = 125,311.64 : x
  2. Step 2: Convert to fraction form
    424,845.86/637,207.29 = 125,311.64/x
  3. Step 3: Cross multiply
    424,845.86x = 637,207.29 × 125,311.64
  4. Step 4: Simplify right side
    424,845.86x = 79,849,487,343.82
  5. Step 5: Solve for x
    x = 79,849,487,343.82/424,845.86
  6. Step 6: Final answer
    x = 187,949.31

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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.