Home / 1,228,586.28-1,694,869.38-718,973.16

Finding the Fourth Proportional to 1,228,586.28, 1,694,869.38 and 718,973.16

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Solution

The fourth proportional to 1,228,586.28, 1,694,869.38 and 718,973.16 is: 991,843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,586.28 : 1,694,869.38 = 718,973.16 : x
  2. Step 2: Convert to fraction form
    1,228,586.28/1,694,869.38 = 718,973.16/x
  3. Step 3: Cross multiply
    1,228,586.28x = 1,694,869.38 × 718,973.16
  4. Step 4: Simplify right side
    1,228,586.28x = 1,218,565,593,925.84
  5. Step 5: Solve for x
    x = 1,218,565,593,925.84/1,228,586.28
  6. Step 6: Final answer
    x = 991,843.73

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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.