Home / 883,627.97-1,219,422.72-491,197.78

Finding the Fourth Proportional to 883,627.97, 1,219,422.72 and 491,197.78

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Solution

The fourth proportional to 883,627.97, 1,219,422.72 and 491,197.78 is: 677,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,627.97 : 1,219,422.72 = 491,197.78 : x
  2. Step 2: Convert to fraction form
    883,627.97/1,219,422.72 = 491,197.78/x
  3. Step 3: Cross multiply
    883,627.97x = 1,219,422.72 × 491,197.78
  4. Step 4: Simplify right side
    883,627.97x = 598,977,726,689.59
  5. Step 5: Solve for x
    x = 598,977,726,689.59/883,627.97
  6. Step 6: Final answer
    x = 677,861.89

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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.