Home / 680,626.30-1,019,902.65-574,872.70

Finding the Fourth Proportional to 680,626.30, 1,019,902.65 and 574,872.70

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Solution

The fourth proportional to 680,626.30, 1,019,902.65 and 574,872.70 is: 861,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,626.30 : 1,019,902.65 = 574,872.70 : x
  2. Step 2: Convert to fraction form
    680,626.30/1,019,902.65 = 574,872.70/x
  3. Step 3: Cross multiply
    680,626.30x = 1,019,902.65 × 574,872.70
  4. Step 4: Simplify right side
    680,626.30x = 586,314,190,142.66
  5. Step 5: Solve for x
    x = 586,314,190,142.66/680,626.30
  6. Step 6: Final answer
    x = 861,433.34

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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.