Home / 2,656,356.56-3,985,046.80-859,685.84

Finding the Fourth Proportional to 2,656,356.56, 3,985,046.80 and 859,685.84

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Solution

The fourth proportional to 2,656,356.56, 3,985,046.80 and 859,685.84 is: 1,289,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656,356.56 : 3,985,046.80 = 859,685.84 : x
  2. Step 2: Convert to fraction form
    2,656,356.56/3,985,046.80 = 859,685.84/x
  3. Step 3: Cross multiply
    2,656,356.56x = 3,985,046.80 × 859,685.84
  4. Step 4: Simplify right side
    2,656,356.56x = 3,425,888,305,697.31
  5. Step 5: Solve for x
    x = 3,425,888,305,697.31/2,656,356.56
  6. Step 6: Final answer
    x = 1,289,694.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.