Home / 821,087.20-1,229,557.20-539,077.60

Finding the Fourth Proportional to 821,087.20, 1,229,557.20 and 539,077.60

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Solution

The fourth proportional to 821,087.20, 1,229,557.20 and 539,077.60 is: 807,255.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,087.20 : 1,229,557.20 = 539,077.60 : x
  2. Step 2: Convert to fraction form
    821,087.20/1,229,557.20 = 539,077.60/x
  3. Step 3: Cross multiply
    821,087.20x = 1,229,557.20 × 539,077.60
  4. Step 4: Simplify right side
    821,087.20x = 662,826,744,438.72
  5. Step 5: Solve for x
    x = 662,826,744,438.72/821,087.20
  6. Step 6: Final answer
    x = 807,255.00

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Double scale
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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.