Home / 746,687.20-1,120,030.80-658,040.80

Finding the Fourth Proportional to 746,687.20, 1,120,030.80 and 658,040.80

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Solution

The fourth proportional to 746,687.20, 1,120,030.80 and 658,040.80 is: 987,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,687.20 : 1,120,030.80 = 658,040.80 : x
  2. Step 2: Convert to fraction form
    746,687.20/1,120,030.80 = 658,040.80/x
  3. Step 3: Cross multiply
    746,687.20x = 1,120,030.80 × 658,040.80
  4. Step 4: Simplify right side
    746,687.20x = 737,025,963,656.64
  5. Step 5: Solve for x
    x = 737,025,963,656.64/746,687.20
  6. Step 6: Final answer
    x = 987,061.20

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Double scale
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Similar ratio
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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.