Home / 626,572.91-938,595.13-289,144.73

Finding the Fourth Proportional to 626,572.91, 938,595.13 and 289,144.73

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Solution

The fourth proportional to 626,572.91, 938,595.13 and 289,144.73 is: 433,133.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,572.91 : 938,595.13 = 289,144.73 : x
  2. Step 2: Convert to fraction form
    626,572.91/938,595.13 = 289,144.73/x
  3. Step 3: Cross multiply
    626,572.91x = 938,595.13 × 289,144.73
  4. Step 4: Simplify right side
    626,572.91x = 271,389,835,443.17
  5. Step 5: Solve for x
    x = 271,389,835,443.17/626,572.91
  6. Step 6: Final answer
    x = 433,133.69

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