Home / 1,181,164.79-1,772,029.40-382,447.21

Finding the Fourth Proportional to 1,181,164.79, 1,772,029.40 and 382,447.21

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Solution

The fourth proportional to 1,181,164.79, 1,772,029.40 and 382,447.21 is: 573,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,164.79 : 1,772,029.40 = 382,447.21 : x
  2. Step 2: Convert to fraction form
    1,181,164.79/1,772,029.40 = 382,447.21/x
  3. Step 3: Cross multiply
    1,181,164.79x = 1,772,029.40 × 382,447.21
  4. Step 4: Simplify right side
    1,181,164.79x = 677,707,700,067.97
  5. Step 5: Solve for x
    x = 677,707,700,067.97/1,181,164.79
  6. Step 6: Final answer
    x = 573,762.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.