Home / 1,112,065.68-1,668,098.51-961,859.78

Finding the Fourth Proportional to 1,112,065.68, 1,668,098.51 and 961,859.78

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Solution

The fourth proportional to 1,112,065.68, 1,668,098.51 and 961,859.78 is: 1,442,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,065.68 : 1,668,098.51 = 961,859.78 : x
  2. Step 2: Convert to fraction form
    1,112,065.68/1,668,098.51 = 961,859.78/x
  3. Step 3: Cross multiply
    1,112,065.68x = 1,668,098.51 × 961,859.78
  4. Step 4: Simplify right side
    1,112,065.68x = 1,604,476,865,846.93
  5. Step 5: Solve for x
    x = 1,604,476,865,846.93/1,112,065.68
  6. Step 6: Final answer
    x = 1,442,789.66

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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.