Home / 1,016,195.88-1,398,830.47-878,311.91

Finding the Fourth Proportional to 1,016,195.88, 1,398,830.47 and 878,311.91

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Solution

The fourth proportional to 1,016,195.88, 1,398,830.47 and 878,311.91 is: 1,209,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,195.88 : 1,398,830.47 = 878,311.91 : x
  2. Step 2: Convert to fraction form
    1,016,195.88/1,398,830.47 = 878,311.91/x
  3. Step 3: Cross multiply
    1,016,195.88x = 1,398,830.47 × 878,311.91
  4. Step 4: Simplify right side
    1,016,195.88x = 1,228,609,461,871.90
  5. Step 5: Solve for x
    x = 1,228,609,461,871.90/1,016,195.88
  6. Step 6: Final answer
    x = 1,209,028.19

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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.