Home / 1,487,988.39-2,053,441.23-825,713.85

Finding the Fourth Proportional to 1,487,988.39, 2,053,441.23 and 825,713.85

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Solution

The fourth proportional to 1,487,988.39, 2,053,441.23 and 825,713.85 is: 1,139,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,988.39 : 2,053,441.23 = 825,713.85 : x
  2. Step 2: Convert to fraction form
    1,487,988.39/2,053,441.23 = 825,713.85/x
  3. Step 3: Cross multiply
    1,487,988.39x = 2,053,441.23 × 825,713.85
  4. Step 4: Simplify right side
    1,487,988.39x = 1,695,554,863,772.04
  5. Step 5: Solve for x
    x = 1,695,554,863,772.04/1,487,988.39
  6. Step 6: Final answer
    x = 1,139,494.69

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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.