Home / 749,119.62-1,123,712.24-216,694.48

Finding the Fourth Proportional to 749,119.62, 1,123,712.24 and 216,694.48

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Solution

The fourth proportional to 749,119.62, 1,123,712.24 and 216,694.48 is: 325,051.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,119.62 : 1,123,712.24 = 216,694.48 : x
  2. Step 2: Convert to fraction form
    749,119.62/1,123,712.24 = 216,694.48/x
  3. Step 3: Cross multiply
    749,119.62x = 1,123,712.24 × 216,694.48
  4. Step 4: Simplify right side
    749,119.62x = 243,502,239,516.44
  5. Step 5: Solve for x
    x = 243,502,239,516.44/749,119.62
  6. Step 6: Final answer
    x = 325,051.21

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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.