Home / 826,163.92-1,238,965.20-286,294.24

Finding the Fourth Proportional to 826,163.92, 1,238,965.20 and 286,294.24

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Solution

The fourth proportional to 826,163.92, 1,238,965.20 and 286,294.24 is: 429,344.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,163.92 : 1,238,965.20 = 286,294.24 : x
  2. Step 2: Convert to fraction form
    826,163.92/1,238,965.20 = 286,294.24/x
  3. Step 3: Cross multiply
    826,163.92x = 1,238,965.20 × 286,294.24
  4. Step 4: Simplify right side
    826,163.92x = 354,708,600,320.45
  5. Step 5: Solve for x
    x = 354,708,600,320.45/826,163.92
  6. Step 6: Final answer
    x = 429,344.09

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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.