Home / 908,593.32-1,253,867.07-500,709.80

Finding the Fourth Proportional to 908,593.32, 1,253,867.07 and 500,709.80

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Solution

The fourth proportional to 908,593.32, 1,253,867.07 and 500,709.80 is: 690,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,593.32 : 1,253,867.07 = 500,709.80 : x
  2. Step 2: Convert to fraction form
    908,593.32/1,253,867.07 = 500,709.80/x
  3. Step 3: Cross multiply
    908,593.32x = 1,253,867.07 × 500,709.80
  4. Step 4: Simplify right side
    908,593.32x = 627,823,523,576.95
  5. Step 5: Solve for x
    x = 627,823,523,576.95/908,593.32
  6. Step 6: Final answer
    x = 690,984.08

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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.