Home / 981,517.10-1,354,485.45-551,799.14

Finding the Fourth Proportional to 981,517.10, 1,354,485.45 and 551,799.14

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Solution

The fourth proportional to 981,517.10, 1,354,485.45 and 551,799.14 is: 761,478.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,517.10 : 1,354,485.45 = 551,799.14 : x
  2. Step 2: Convert to fraction form
    981,517.10/1,354,485.45 = 551,799.14/x
  3. Step 3: Cross multiply
    981,517.10x = 1,354,485.45 × 551,799.14
  4. Step 4: Simplify right side
    981,517.10x = 747,403,906,452.51
  5. Step 5: Solve for x
    x = 747,403,906,452.51/981,517.10
  6. Step 6: Final answer
    x = 761,478.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.