Home / 861,623.33-1,188,937.04-498,996.86

Finding the Fourth Proportional to 861,623.33, 1,188,937.04 and 498,996.86

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Solution

The fourth proportional to 861,623.33, 1,188,937.04 and 498,996.86 is: 688,555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,623.33 : 1,188,937.04 = 498,996.86 : x
  2. Step 2: Convert to fraction form
    861,623.33/1,188,937.04 = 498,996.86/x
  3. Step 3: Cross multiply
    861,623.33x = 1,188,937.04 × 498,996.86
  4. Step 4: Simplify right side
    861,623.33x = 593,275,841,258.03
  5. Step 5: Solve for x
    x = 593,275,841,258.03/861,623.33
  6. Step 6: Final answer
    x = 688,555.92

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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.