Home / 1,513,195.56-2,088,334.71-868,740.12

Finding the Fourth Proportional to 1,513,195.56, 2,088,334.71 and 868,740.12

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Solution

The fourth proportional to 1,513,195.56, 2,088,334.71 and 868,740.12 is: 1,198,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,195.56 : 2,088,334.71 = 868,740.12 : x
  2. Step 2: Convert to fraction form
    1,513,195.56/2,088,334.71 = 868,740.12/x
  3. Step 3: Cross multiply
    1,513,195.56x = 2,088,334.71 × 868,740.12
  4. Step 4: Simplify right side
    1,513,195.56x = 1,814,220,146,565.57
  5. Step 5: Solve for x
    x = 1,814,220,146,565.57/1,513,195.56
  6. Step 6: Final answer
    x = 1,198,933.04

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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.