Home / 908,874.60-1,253,786.01-693,641.00

Finding the Fourth Proportional to 908,874.60, 1,253,786.01 and 693,641.00

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Solution

The fourth proportional to 908,874.60, 1,253,786.01 and 693,641.00 is: 956,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,874.60 : 1,253,786.01 = 693,641.00 : x
  2. Step 2: Convert to fraction form
    908,874.60/1,253,786.01 = 693,641.00/x
  3. Step 3: Cross multiply
    908,874.60x = 1,253,786.01 × 693,641.00
  4. Step 4: Simplify right side
    908,874.60x = 869,677,375,493.48
  5. Step 5: Solve for x
    x = 869,677,375,493.48/908,874.60
  6. Step 6: Final answer
    x = 956,872.79

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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.