Home / 749,365.97-1,123,598.78-344,050.97

Finding the Fourth Proportional to 749,365.97, 1,123,598.78 and 344,050.97

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Solution

The fourth proportional to 749,365.97, 1,123,598.78 and 344,050.97 is: 515,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,365.97 : 1,123,598.78 = 344,050.97 : x
  2. Step 2: Convert to fraction form
    749,365.97/1,123,598.78 = 344,050.97/x
  3. Step 3: Cross multiply
    749,365.97x = 1,123,598.78 × 344,050.97
  4. Step 4: Simplify right side
    749,365.97x = 386,575,248,429.56
  5. Step 5: Solve for x
    x = 386,575,248,429.56/749,365.97
  6. Step 6: Final answer
    x = 515,869.77

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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.