Home / 1,182,982.38-1,632,515.73-639,118.17

Finding the Fourth Proportional to 1,182,982.38, 1,632,515.73 and 639,118.17

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Solution

The fourth proportional to 1,182,982.38, 1,632,515.73 and 639,118.17 is: 881,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,982.38 : 1,632,515.73 = 639,118.17 : x
  2. Step 2: Convert to fraction form
    1,182,982.38/1,632,515.73 = 639,118.17/x
  3. Step 3: Cross multiply
    1,182,982.38x = 1,632,515.73 × 639,118.17
  4. Step 4: Simplify right side
    1,182,982.38x = 1,043,370,465,853.81
  5. Step 5: Solve for x
    x = 1,043,370,465,853.81/1,182,982.38
  6. Step 6: Final answer
    x = 881,983.10

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1.5x scale

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.