Home / 981,886.62-1,354,337.19-637,106.46

Finding the Fourth Proportional to 981,886.62, 1,354,337.19 and 637,106.46

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Solution

The fourth proportional to 981,886.62, 1,354,337.19 and 637,106.46 is: 878,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,886.62 : 1,354,337.19 = 637,106.46 : x
  2. Step 2: Convert to fraction form
    981,886.62/1,354,337.19 = 637,106.46/x
  3. Step 3: Cross multiply
    981,886.62x = 1,354,337.19 × 637,106.46
  4. Step 4: Simplify right side
    981,886.62x = 862,856,972,767.25
  5. Step 5: Solve for x
    x = 862,856,972,767.25/981,886.62
  6. Step 6: Final answer
    x = 878,774.55

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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.