Home / 1,016,843.20-1,403,368.13-587,122.40

Finding the Fourth Proportional to 1,016,843.20, 1,403,368.13 and 587,122.40

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Solution

The fourth proportional to 1,016,843.20, 1,403,368.13 and 587,122.40 is: 810,300.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,843.20 : 1,403,368.13 = 587,122.40 : x
  2. Step 2: Convert to fraction form
    1,016,843.20/1,403,368.13 = 587,122.40/x
  3. Step 3: Cross multiply
    1,016,843.20x = 1,403,368.13 × 587,122.40
  4. Step 4: Simplify right side
    1,016,843.20x = 823,948,864,569.11
  5. Step 5: Solve for x
    x = 823,948,864,569.11/1,016,843.20
  6. Step 6: Final answer
    x = 810,300.81

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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.