Home / 644,002.52-966,446.69-223,278.40

Finding the Fourth Proportional to 644,002.52, 966,446.69 and 223,278.40

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Solution

The fourth proportional to 644,002.52, 966,446.69 and 223,278.40 is: 335,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,002.52 : 966,446.69 = 223,278.40 : x
  2. Step 2: Convert to fraction form
    644,002.52/966,446.69 = 223,278.40/x
  3. Step 3: Cross multiply
    644,002.52x = 966,446.69 × 223,278.40
  4. Step 4: Simplify right side
    644,002.52x = 215,786,665,796.26
  5. Step 5: Solve for x
    x = 215,786,665,796.26/644,002.52
  6. Step 6: Final answer
    x = 335,071.15

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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.