Home / 767,712.20-1,151,568.30-707,059.40

Finding the Fourth Proportional to 767,712.20, 1,151,568.30 and 707,059.40

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Solution

The fourth proportional to 767,712.20, 1,151,568.30 and 707,059.40 is: 1,060,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,712.20 : 1,151,568.30 = 707,059.40 : x
  2. Step 2: Convert to fraction form
    767,712.20/1,151,568.30 = 707,059.40/x
  3. Step 3: Cross multiply
    767,712.20x = 1,151,568.30 × 707,059.40
  4. Step 4: Simplify right side
    767,712.20x = 814,227,191,257.02
  5. Step 5: Solve for x
    x = 814,227,191,257.02/767,712.20
  6. Step 6: Final answer
    x = 1,060,589.10

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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.