Home / 462,400.26-693,600.38-129,976.26

Finding the Fourth Proportional to 462,400.26, 693,600.38 and 129,976.26

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Solution

The fourth proportional to 462,400.26, 693,600.38 and 129,976.26 is: 194,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,400.26 : 693,600.38 = 129,976.26 : x
  2. Step 2: Convert to fraction form
    462,400.26/693,600.38 = 129,976.26/x
  3. Step 3: Cross multiply
    462,400.26x = 693,600.38 × 129,976.26
  4. Step 4: Simplify right side
    462,400.26x = 90,151,583,326.98
  5. Step 5: Solve for x
    x = 90,151,583,326.98/462,400.26
  6. Step 6: Final answer
    x = 194,964.39

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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.