Home / 908,628.48-1,253,962.08-500,729.22

Finding the Fourth Proportional to 908,628.48, 1,253,962.08 and 500,729.22

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Solution

The fourth proportional to 908,628.48, 1,253,962.08 and 500,729.22 is: 691,036.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,628.48 : 1,253,962.08 = 500,729.22 : x
  2. Step 2: Convert to fraction form
    908,628.48/1,253,962.08 = 500,729.22/x
  3. Step 3: Cross multiply
    908,628.48x = 1,253,962.08 × 500,729.22
  4. Step 4: Simplify right side
    908,628.48x = 627,895,454,227.98
  5. Step 5: Solve for x
    x = 627,895,454,227.98/908,628.48
  6. Step 6: Final answer
    x = 691,036.51

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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.