Home / 1,417,942.12-1,957,164.78-806,424.52

Finding the Fourth Proportional to 1,417,942.12, 1,957,164.78 and 806,424.52

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Solution

The fourth proportional to 1,417,942.12, 1,957,164.78 and 806,424.52 is: 1,113,095.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,942.12 : 1,957,164.78 = 806,424.52 : x
  2. Step 2: Convert to fraction form
    1,417,942.12/1,957,164.78 = 806,424.52/x
  3. Step 3: Cross multiply
    1,417,942.12x = 1,957,164.78 × 806,424.52
  4. Step 4: Simplify right side
    1,417,942.12x = 1,578,305,668,272.41
  5. Step 5: Solve for x
    x = 1,578,305,668,272.41/1,417,942.12
  6. Step 6: Final answer
    x = 1,113,095.98

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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.