Home / 749,102.94-1,123,687.20-216,677.79

Finding the Fourth Proportional to 749,102.94, 1,123,687.20 and 216,677.79

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Solution

The fourth proportional to 749,102.94, 1,123,687.20 and 216,677.79 is: 325,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,102.94 : 1,123,687.20 = 216,677.79 : x
  2. Step 2: Convert to fraction form
    749,102.94/1,123,687.20 = 216,677.79/x
  3. Step 3: Cross multiply
    749,102.94x = 1,123,687.20 × 216,677.79
  4. Step 4: Simplify right side
    749,102.94x = 243,478,059,147.29
  5. Step 5: Solve for x
    x = 243,478,059,147.29/749,102.94
  6. Step 6: Final answer
    x = 325,026.17

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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.