Home / 908,560.50-1,253,821.88-500,676.93

Finding the Fourth Proportional to 908,560.50, 1,253,821.88 and 500,676.93

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Solution

The fourth proportional to 908,560.50, 1,253,821.88 and 500,676.93 is: 690,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,560.50 : 1,253,821.88 = 500,676.93 : x
  2. Step 2: Convert to fraction form
    908,560.50/1,253,821.88 = 500,676.93/x
  3. Step 3: Cross multiply
    908,560.50x = 1,253,821.88 × 500,676.93
  4. Step 4: Simplify right side
    908,560.50x = 627,759,690,896.92
  5. Step 5: Solve for x
    x = 627,759,690,896.92/908,560.50
  6. Step 6: Final answer
    x = 690,938.79

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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.