Home / 626,474.52-939,711.78-153,154.26

Finding the Fourth Proportional to 626,474.52, 939,711.78 and 153,154.26

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Solution

The fourth proportional to 626,474.52, 939,711.78 and 153,154.26 is: 229,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,474.52 : 939,711.78 = 153,154.26 : x
  2. Step 2: Convert to fraction form
    626,474.52/939,711.78 = 153,154.26/x
  3. Step 3: Cross multiply
    626,474.52x = 939,711.78 × 153,154.26
  4. Step 4: Simplify right side
    626,474.52x = 143,920,862,279.18
  5. Step 5: Solve for x
    x = 143,920,862,279.18/626,474.52
  6. Step 6: Final answer
    x = 229,731.39

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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.