Home / 765,856.11-1,148,908.85-226,166.97

Finding the Fourth Proportional to 765,856.11, 1,148,908.85 and 226,166.97

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Solution

The fourth proportional to 765,856.11, 1,148,908.85 and 226,166.97 is: 339,287.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,856.11 : 1,148,908.85 = 226,166.97 : x
  2. Step 2: Convert to fraction form
    765,856.11/1,148,908.85 = 226,166.97/x
  3. Step 3: Cross multiply
    765,856.11x = 1,148,908.85 × 226,166.97
  4. Step 4: Simplify right side
    765,856.11x = 259,845,237,436.38
  5. Step 5: Solve for x
    x = 259,845,237,436.38/765,856.11
  6. Step 6: Final answer
    x = 339,287.28

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Double scale
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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.