Home / 981,473.19-1,354,393.53-551,744.16

Finding the Fourth Proportional to 981,473.19, 1,354,393.53 and 551,744.16

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Solution

The fourth proportional to 981,473.19, 1,354,393.53 and 551,744.16 is: 761,384.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,473.19 : 1,354,393.53 = 551,744.16 : x
  2. Step 2: Convert to fraction form
    981,473.19/1,354,393.53 = 551,744.16/x
  3. Step 3: Cross multiply
    981,473.19x = 1,354,393.53 × 551,744.16
  4. Step 4: Simplify right side
    981,473.19x = 747,278,720,519.29
  5. Step 5: Solve for x
    x = 747,278,720,519.29/981,473.19
  6. Step 6: Final answer
    x = 761,384.75

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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.