Home / 908,481.99-1,253,760.98-500,583.72

Finding the Fourth Proportional to 908,481.99, 1,253,760.98 and 500,583.72

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Solution

The fourth proportional to 908,481.99, 1,253,760.98 and 500,583.72 is: 690,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,481.99 : 1,253,760.98 = 500,583.72 : x
  2. Step 2: Convert to fraction form
    908,481.99/1,253,760.98 = 500,583.72/x
  3. Step 3: Cross multiply
    908,481.99x = 1,253,760.98 × 500,583.72
  4. Step 4: Simplify right side
    908,481.99x = 627,612,336,847.51
  5. Step 5: Solve for x
    x = 627,612,336,847.51/908,481.99
  6. Step 6: Final answer
    x = 690,836.30

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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.