Home / 1,235,778.86-1,852,957.86-658,691.30

Finding the Fourth Proportional to 1,235,778.86, 1,852,957.86 and 658,691.30

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Solution

The fourth proportional to 1,235,778.86, 1,852,957.86 and 658,691.30 is: 987,658.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,778.86 : 1,852,957.86 = 658,691.30 : x
  2. Step 2: Convert to fraction form
    1,235,778.86/1,852,957.86 = 658,691.30/x
  3. Step 3: Cross multiply
    1,235,778.86x = 1,852,957.86 × 658,691.30
  4. Step 4: Simplify right side
    1,235,778.86x = 1,220,527,221,648.62
  5. Step 5: Solve for x
    x = 1,220,527,221,648.62/1,235,778.86
  6. Step 6: Final answer
    x = 987,658.28

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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.