Home / 1,391,566.57-1,920,642.54-951,217.88

Finding the Fourth Proportional to 1,391,566.57, 1,920,642.54 and 951,217.88

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Solution

The fourth proportional to 1,391,566.57, 1,920,642.54 and 951,217.88 is: 1,312,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,566.57 : 1,920,642.54 = 951,217.88 : x
  2. Step 2: Convert to fraction form
    1,391,566.57/1,920,642.54 = 951,217.88/x
  3. Step 3: Cross multiply
    1,391,566.57x = 1,920,642.54 × 951,217.88
  4. Step 4: Simplify right side
    1,391,566.57x = 1,826,949,522,769.95
  5. Step 5: Solve for x
    x = 1,826,949,522,769.95/1,391,566.57
  6. Step 6: Final answer
    x = 1,312,872.53

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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.