Home / 1,752,980.28-2,419,063.68-989,104.92

Finding the Fourth Proportional to 1,752,980.28, 2,419,063.68 and 989,104.92

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Solution

The fourth proportional to 1,752,980.28, 2,419,063.68 and 989,104.92 is: 1,364,937.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,980.28 : 2,419,063.68 = 989,104.92 : x
  2. Step 2: Convert to fraction form
    1,752,980.28/2,419,063.68 = 989,104.92/x
  3. Step 3: Cross multiply
    1,752,980.28x = 2,419,063.68 × 989,104.92
  4. Step 4: Simplify right side
    1,752,980.28x = 2,392,707,787,681.31
  5. Step 5: Solve for x
    x = 2,392,707,787,681.31/1,752,980.28
  6. Step 6: Final answer
    x = 1,364,937.08

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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.