Home / 981,257.16-1,354,173.24-551,535.96

Finding the Fourth Proportional to 981,257.16, 1,354,173.24 and 551,535.96

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Solution

The fourth proportional to 981,257.16, 1,354,173.24 and 551,535.96 is: 761,141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,257.16 : 1,354,173.24 = 551,535.96 : x
  2. Step 2: Convert to fraction form
    981,257.16/1,354,173.24 = 551,535.96/x
  3. Step 3: Cross multiply
    981,257.16x = 1,354,173.24 × 551,535.96
  4. Step 4: Simplify right side
    981,257.16x = 746,875,237,929.71
  5. Step 5: Solve for x
    x = 746,875,237,929.71/981,257.16
  6. Step 6: Final answer
    x = 761,141.19

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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.