Home / 782,133.01-1,172,733.57-242,229.34

Finding the Fourth Proportional to 782,133.01, 1,172,733.57 and 242,229.34

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Solution

The fourth proportional to 782,133.01, 1,172,733.57 and 242,229.34 is: 363,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,133.01 : 1,172,733.57 = 242,229.34 : x
  2. Step 2: Convert to fraction form
    782,133.01/1,172,733.57 = 242,229.34/x
  3. Step 3: Cross multiply
    782,133.01x = 1,172,733.57 × 242,229.34
  4. Step 4: Simplify right side
    782,133.01x = 284,070,478,656.94
  5. Step 5: Solve for x
    x = 284,070,478,656.94/782,133.01
  6. Step 6: Final answer
    x = 363,199.71

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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.