Home / 908,560.03-1,253,821.25-500,676.47

Finding the Fourth Proportional to 908,560.03, 1,253,821.25 and 500,676.47

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Solution

The fourth proportional to 908,560.03, 1,253,821.25 and 500,676.47 is: 690,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,560.03 : 1,253,821.25 = 500,676.47 : x
  2. Step 2: Convert to fraction form
    908,560.03/1,253,821.25 = 500,676.47/x
  3. Step 3: Cross multiply
    908,560.03x = 1,253,821.25 × 500,676.47
  4. Step 4: Simplify right side
    908,560.03x = 627,758,797,460.99
  5. Step 5: Solve for x
    x = 627,758,797,460.99/908,560.03
  6. Step 6: Final answer
    x = 690,938.16

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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.