Home / 748,971.33-1,123,465.19-216,496.97

Finding the Fourth Proportional to 748,971.33, 1,123,465.19 and 216,496.97

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Solution

The fourth proportional to 748,971.33, 1,123,465.19 and 216,496.97 is: 324,747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,971.33 : 1,123,465.19 = 216,496.97 : x
  2. Step 2: Convert to fraction form
    748,971.33/1,123,465.19 = 216,496.97/x
  3. Step 3: Cross multiply
    748,971.33x = 1,123,465.19 × 216,496.97
  4. Step 4: Simplify right side
    748,971.33x = 243,226,812,885.38
  5. Step 5: Solve for x
    x = 243,226,812,885.38/748,971.33
  6. Step 6: Final answer
    x = 324,747.83

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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.