Home / 424,272.61-637,575.36-396,531.73

Finding the Fourth Proportional to 424,272.61, 637,575.36 and 396,531.73

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Solution

The fourth proportional to 424,272.61, 637,575.36 and 396,531.73 is: 595,887.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,272.61 : 637,575.36 = 396,531.73 : x
  2. Step 2: Convert to fraction form
    424,272.61/637,575.36 = 396,531.73/x
  3. Step 3: Cross multiply
    424,272.61x = 637,575.36 × 396,531.73
  4. Step 4: Simplify right side
    424,272.61x = 252,818,860,506.17
  5. Step 5: Solve for x
    x = 252,818,860,506.17/424,272.61
  6. Step 6: Final answer
    x = 595,887.77

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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.