Home / 813,608.88-1,220,616.52-574,190.08

Finding the Fourth Proportional to 813,608.88, 1,220,616.52 and 574,190.08

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Solution

The fourth proportional to 813,608.88, 1,220,616.52 and 574,190.08 is: 861,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,608.88 : 1,220,616.52 = 574,190.08 : x
  2. Step 2: Convert to fraction form
    813,608.88/1,220,616.52 = 574,190.08/x
  3. Step 3: Cross multiply
    813,608.88x = 1,220,616.52 × 574,190.08
  4. Step 4: Simplify right side
    813,608.88x = 700,865,897,268.12
  5. Step 5: Solve for x
    x = 700,865,897,268.12/813,608.88
  6. Step 6: Final answer
    x = 861,428.52

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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.