Home / 1,256,717.28-1,734,218-683,759.72

Finding the Fourth Proportional to 1,256,717.28, 1,734,218 and 683,759.72

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Solution

The fourth proportional to 1,256,717.28, 1,734,218 and 683,759.72 is: 943,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,717.28 : 1,734,218 = 683,759.72 : x
  2. Step 2: Convert to fraction form
    1,256,717.28/1,734,218 = 683,759.72/x
  3. Step 3: Cross multiply
    1,256,717.28x = 1,734,218 × 683,759.72
  4. Step 4: Simplify right side
    1,256,717.28x = 1,185,788,414,098.96
  5. Step 5: Solve for x
    x = 1,185,788,414,098.96/1,256,717.28
  6. Step 6: Final answer
    x = 943,560.20

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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.