Home / 866,862.27-1,196,359.98-499,352.11

Finding the Fourth Proportional to 866,862.27, 1,196,359.98 and 499,352.11

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Solution

The fourth proportional to 866,862.27, 1,196,359.98 and 499,352.11 is: 689,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,862.27 : 1,196,359.98 = 499,352.11 : x
  2. Step 2: Convert to fraction form
    866,862.27/1,196,359.98 = 499,352.11/x
  3. Step 3: Cross multiply
    866,862.27x = 1,196,359.98 × 499,352.11
  4. Step 4: Simplify right side
    866,862.27x = 597,404,875,469.09
  5. Step 5: Solve for x
    x = 597,404,875,469.09/866,862.27
  6. Step 6: Final answer
    x = 689,157.78

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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.