Home / 887,633.76-1,224,956.16-538,778.10

Finding the Fourth Proportional to 887,633.76, 1,224,956.16 and 538,778.10

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Solution

The fourth proportional to 887,633.76, 1,224,956.16 and 538,778.10 is: 743,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,633.76 : 1,224,956.16 = 538,778.10 : x
  2. Step 2: Convert to fraction form
    887,633.76/1,224,956.16 = 538,778.10/x
  3. Step 3: Cross multiply
    887,633.76x = 1,224,956.16 × 538,778.10
  4. Step 4: Simplify right side
    887,633.76x = 659,979,552,468.10
  5. Step 5: Solve for x
    x = 659,979,552,468.10/887,633.76
  6. Step 6: Final answer
    x = 743,526.87

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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.