Home / 1,061,555.70-1,465,067.88-631,837.20

Finding the Fourth Proportional to 1,061,555.70, 1,465,067.88 and 631,837.20

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Solution

The fourth proportional to 1,061,555.70, 1,465,067.88 and 631,837.20 is: 872,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,555.70 : 1,465,067.88 = 631,837.20 : x
  2. Step 2: Convert to fraction form
    1,061,555.70/1,465,067.88 = 631,837.20/x
  3. Step 3: Cross multiply
    1,061,555.70x = 1,465,067.88 × 631,837.20
  4. Step 4: Simplify right side
    1,061,555.70x = 925,684,387,109.14
  5. Step 5: Solve for x
    x = 925,684,387,109.14/1,061,555.70
  6. Step 6: Final answer
    x = 872,007.36

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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.