Home / 987,167.50-1,480,751.46-356,081.25

Finding the Fourth Proportional to 987,167.50, 1,480,751.46 and 356,081.25

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Solution

The fourth proportional to 987,167.50, 1,480,751.46 and 356,081.25 is: 534,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,167.50 : 1,480,751.46 = 356,081.25 : x
  2. Step 2: Convert to fraction form
    987,167.50/1,480,751.46 = 356,081.25/x
  3. Step 3: Cross multiply
    987,167.50x = 1,480,751.46 × 356,081.25
  4. Step 4: Simplify right side
    987,167.50x = 527,267,830,816.13
  5. Step 5: Solve for x
    x = 527,267,830,816.13/987,167.50
  6. Step 6: Final answer
    x = 534,121.95

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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.