Home / 680,627.80-1,019,904.90-574,874.20

Finding the Fourth Proportional to 680,627.80, 1,019,904.90 and 574,874.20

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Solution

The fourth proportional to 680,627.80, 1,019,904.90 and 574,874.20 is: 861,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,627.80 : 1,019,904.90 = 574,874.20 : x
  2. Step 2: Convert to fraction form
    680,627.80/1,019,904.90 = 574,874.20/x
  3. Step 3: Cross multiply
    680,627.80x = 1,019,904.90 × 574,874.20
  4. Step 4: Simplify right side
    680,627.80x = 586,317,013,463.58
  5. Step 5: Solve for x
    x = 586,317,013,463.58/680,627.80
  6. Step 6: Final answer
    x = 861,435.59

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1.5x scale

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.