Home / 865,690.20-1,298,535.30-655,738.20

Finding the Fourth Proportional to 865,690.20, 1,298,535.30 and 655,738.20

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Solution

The fourth proportional to 865,690.20, 1,298,535.30 and 655,738.20 is: 983,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,690.20 : 1,298,535.30 = 655,738.20 : x
  2. Step 2: Convert to fraction form
    865,690.20/1,298,535.30 = 655,738.20/x
  3. Step 3: Cross multiply
    865,690.20x = 1,298,535.30 × 655,738.20
  4. Step 4: Simplify right side
    865,690.20x = 851,499,200,258.46
  5. Step 5: Solve for x
    x = 851,499,200,258.46/865,690.20
  6. Step 6: Final answer
    x = 983,607.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.