Home / 1,340,116.17-1,849,791.29-857,979.87

Finding the Fourth Proportional to 1,340,116.17, 1,849,791.29 and 857,979.87

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Solution

The fourth proportional to 1,340,116.17, 1,849,791.29 and 857,979.87 is: 1,184,288.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,116.17 : 1,849,791.29 = 857,979.87 : x
  2. Step 2: Convert to fraction form
    1,340,116.17/1,849,791.29 = 857,979.87/x
  3. Step 3: Cross multiply
    1,340,116.17x = 1,849,791.29 × 857,979.87
  4. Step 4: Simplify right side
    1,340,116.17x = 1,587,083,690,521.33
  5. Step 5: Solve for x
    x = 1,587,083,690,521.33/1,340,116.17
  6. Step 6: Final answer
    x = 1,184,288.14

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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.