Home / 434,174.42-650,474.30-424,726.58

Finding the Fourth Proportional to 434,174.42, 650,474.30 and 424,726.58

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Solution

The fourth proportional to 434,174.42, 650,474.30 and 424,726.58 is: 636,319.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,174.42 : 650,474.30 = 424,726.58 : x
  2. Step 2: Convert to fraction form
    434,174.42/650,474.30 = 424,726.58/x
  3. Step 3: Cross multiply
    434,174.42x = 650,474.30 × 424,726.58
  4. Step 4: Simplify right side
    434,174.42x = 276,273,727,504.90
  5. Step 5: Solve for x
    x = 276,273,727,504.90/434,174.42
  6. Step 6: Final answer
    x = 636,319.68

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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.