Home / 440,545.50-660,816.09-125,002.98

Finding the Fourth Proportional to 440,545.50, 660,816.09 and 125,002.98

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Solution

The fourth proportional to 440,545.50, 660,816.09 and 125,002.98 is: 187,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,545.50 : 660,816.09 = 125,002.98 : x
  2. Step 2: Convert to fraction form
    440,545.50/660,816.09 = 125,002.98/x
  3. Step 3: Cross multiply
    440,545.50x = 660,816.09 × 125,002.98
  4. Step 4: Simplify right side
    440,545.50x = 82,603,980,481.95
  5. Step 5: Solve for x
    x = 82,603,980,481.95/440,545.50
  6. Step 6: Final answer
    x = 187,503.86

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1.5x scale

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.