Home / 747,153.74-1,120,733.21-207,452.23

Finding the Fourth Proportional to 747,153.74, 1,120,733.21 and 207,452.23

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Solution

The fourth proportional to 747,153.74, 1,120,733.21 and 207,452.23 is: 311,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,153.74 : 1,120,733.21 = 207,452.23 : x
  2. Step 2: Convert to fraction form
    747,153.74/1,120,733.21 = 207,452.23/x
  3. Step 3: Cross multiply
    747,153.74x = 1,120,733.21 × 207,452.23
  4. Step 4: Simplify right side
    747,153.74x = 232,498,601,366.36
  5. Step 5: Solve for x
    x = 232,498,601,366.36/747,153.74
  6. Step 6: Final answer
    x = 311,179.06

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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.