Home / 1,241,620.97-1,713,283.18-718,421.52

Finding the Fourth Proportional to 1,241,620.97, 1,713,283.18 and 718,421.52

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Solution

The fourth proportional to 1,241,620.97, 1,713,283.18 and 718,421.52 is: 991,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,620.97 : 1,713,283.18 = 718,421.52 : x
  2. Step 2: Convert to fraction form
    1,241,620.97/1,713,283.18 = 718,421.52/x
  3. Step 3: Cross multiply
    1,241,620.97x = 1,713,283.18 × 718,421.52
  4. Step 4: Simplify right side
    1,241,620.97x = 1,230,859,504,569.98
  5. Step 5: Solve for x
    x = 1,230,859,504,569.98/1,241,620.97
  6. Step 6: Final answer
    x = 991,332.73

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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.