Home / 467,140.76-644,654.21-252,280.79

Finding the Fourth Proportional to 467,140.76, 644,654.21 and 252,280.79

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Solution

The fourth proportional to 467,140.76, 644,654.21 and 252,280.79 is: 348,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,140.76 : 644,654.21 = 252,280.79 : x
  2. Step 2: Convert to fraction form
    467,140.76/644,654.21 = 252,280.79/x
  3. Step 3: Cross multiply
    467,140.76x = 644,654.21 × 252,280.79
  4. Step 4: Simplify right side
    467,140.76x = 162,633,868,890.95
  5. Step 5: Solve for x
    x = 162,633,868,890.95/467,140.76
  6. Step 6: Final answer
    x = 348,147.46

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.