Home / 1,286,819.91-1,776,024.35-714,044.61

Finding the Fourth Proportional to 1,286,819.91, 1,776,024.35 and 714,044.61

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Solution

The fourth proportional to 1,286,819.91, 1,776,024.35 and 714,044.61 is: 985,499.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,819.91 : 1,776,024.35 = 714,044.61 : x
  2. Step 2: Convert to fraction form
    1,286,819.91/1,776,024.35 = 714,044.61/x
  3. Step 3: Cross multiply
    1,286,819.91x = 1,776,024.35 × 714,044.61
  4. Step 4: Simplify right side
    1,286,819.91x = 1,268,160,614,346.25
  5. Step 5: Solve for x
    x = 1,268,160,614,346.25/1,286,819.91
  6. Step 6: Final answer
    x = 985,499.68

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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.