Home / 749,028.52-1,033,659.17-409,496.77

Finding the Fourth Proportional to 749,028.52, 1,033,659.17 and 409,496.77

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Solution

The fourth proportional to 749,028.52, 1,033,659.17 and 409,496.77 is: 565,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,028.52 : 1,033,659.17 = 409,496.77 : x
  2. Step 2: Convert to fraction form
    749,028.52/1,033,659.17 = 409,496.77/x
  3. Step 3: Cross multiply
    749,028.52x = 1,033,659.17 × 409,496.77
  4. Step 4: Simplify right side
    749,028.52x = 423,280,086,227.59
  5. Step 5: Solve for x
    x = 423,280,086,227.59/749,028.52
  6. Step 6: Final answer
    x = 565,105.44

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Double scale
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Similar ratio
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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.