Home / 765,106.24-1,055,843.56-425,574.52

Finding the Fourth Proportional to 765,106.24, 1,055,843.56 and 425,574.52

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Solution

The fourth proportional to 765,106.24, 1,055,843.56 and 425,574.52 is: 587,291.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,106.24 : 1,055,843.56 = 425,574.52 : x
  2. Step 2: Convert to fraction form
    765,106.24/1,055,843.56 = 425,574.52/x
  3. Step 3: Cross multiply
    765,106.24x = 1,055,843.56 × 425,574.52
  4. Step 4: Simplify right side
    765,106.24x = 449,340,116,242.09
  5. Step 5: Solve for x
    x = 449,340,116,242.09/765,106.24
  6. Step 6: Final answer
    x = 587,291.14

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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.