Home / 386,747.60-533,280.24-250,602.66

Finding the Fourth Proportional to 386,747.60, 533,280.24 and 250,602.66

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Solution

The fourth proportional to 386,747.60, 533,280.24 and 250,602.66 is: 345,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,747.60 : 533,280.24 = 250,602.66 : x
  2. Step 2: Convert to fraction form
    386,747.60/533,280.24 = 250,602.66/x
  3. Step 3: Cross multiply
    386,747.60x = 533,280.24 × 250,602.66
  4. Step 4: Simplify right side
    386,747.60x = 133,641,446,669.44
  5. Step 5: Solve for x
    x = 133,641,446,669.44/386,747.60
  6. Step 6: Final answer
    x = 345,552.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.