Home / 813,616.01-1,220,627.29-574,197.38

Finding the Fourth Proportional to 813,616.01, 1,220,627.29 and 574,197.38

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Solution

The fourth proportional to 813,616.01, 1,220,627.29 and 574,197.38 is: 861,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,616.01 : 1,220,627.29 = 574,197.38 : x
  2. Step 2: Convert to fraction form
    813,616.01/1,220,627.29 = 574,197.38/x
  3. Step 3: Cross multiply
    813,616.01x = 1,220,627.29 × 574,197.38
  4. Step 4: Simplify right side
    813,616.01x = 700,880,991,874.50
  5. Step 5: Solve for x
    x = 700,880,991,874.50/813,616.01
  6. Step 6: Final answer
    x = 861,439.53

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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.