Home / 908,695.36-1,253,943.26-500,774.43

Finding the Fourth Proportional to 908,695.36, 1,253,943.26 and 500,774.43

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Solution

The fourth proportional to 908,695.36, 1,253,943.26 and 500,774.43 is: 691,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,695.36 : 1,253,943.26 = 500,774.43 : x
  2. Step 2: Convert to fraction form
    908,695.36/1,253,943.26 = 500,774.43/x
  3. Step 3: Cross multiply
    908,695.36x = 1,253,943.26 × 500,774.43
  4. Step 4: Simplify right side
    908,695.36x = 627,942,713,366.59
  5. Step 5: Solve for x
    x = 627,942,713,366.59/908,695.36
  6. Step 6: Final answer
    x = 691,037.66

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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.