Home / 644,158.20-966,237.30-223,476.60

Finding the Fourth Proportional to 644,158.20, 966,237.30 and 223,476.60

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Solution

The fourth proportional to 644,158.20, 966,237.30 and 223,476.60 is: 335,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,158.20 : 966,237.30 = 223,476.60 : x
  2. Step 2: Convert to fraction form
    644,158.20/966,237.30 = 223,476.60/x
  3. Step 3: Cross multiply
    644,158.20x = 966,237.30 × 223,476.60
  4. Step 4: Simplify right side
    644,158.20x = 215,931,426,597.18
  5. Step 5: Solve for x
    x = 215,931,426,597.18/644,158.20
  6. Step 6: Final answer
    x = 335,214.90

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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.