Home / 906,251.67-1,250,659.41-498,384.55

Finding the Fourth Proportional to 906,251.67, 1,250,659.41 and 498,384.55

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Solution

The fourth proportional to 906,251.67, 1,250,659.41 and 498,384.55 is: 687,788.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,251.67 : 1,250,659.41 = 498,384.55 : x
  2. Step 2: Convert to fraction form
    906,251.67/1,250,659.41 = 498,384.55/x
  3. Step 3: Cross multiply
    906,251.67x = 1,250,659.41 × 498,384.55
  4. Step 4: Simplify right side
    906,251.67x = 623,309,324,129.47
  5. Step 5: Solve for x
    x = 623,309,324,129.47/906,251.67
  6. Step 6: Final answer
    x = 687,788.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.