Home / 680,625.30-1,019,901.15-574,871.70

Finding the Fourth Proportional to 680,625.30, 1,019,901.15 and 574,871.70

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Solution

The fourth proportional to 680,625.30, 1,019,901.15 and 574,871.70 is: 861,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,625.30 : 1,019,901.15 = 574,871.70 : x
  2. Step 2: Convert to fraction form
    680,625.30/1,019,901.15 = 574,871.70/x
  3. Step 3: Cross multiply
    680,625.30x = 1,019,901.15 × 574,871.70
  4. Step 4: Simplify right side
    680,625.30x = 586,312,307,932.46
  5. Step 5: Solve for x
    x = 586,312,307,932.46/680,625.30
  6. Step 6: Final answer
    x = 861,431.84

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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.