Home / 1,284,387.83-1,926,197.65-805,343.25

Finding the Fourth Proportional to 1,284,387.83, 1,926,197.65 and 805,343.25

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Solution

The fourth proportional to 1,284,387.83, 1,926,197.65 and 805,343.25 is: 1,207,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,387.83 : 1,926,197.65 = 805,343.25 : x
  2. Step 2: Convert to fraction form
    1,284,387.83/1,926,197.65 = 805,343.25/x
  3. Step 3: Cross multiply
    1,284,387.83x = 1,926,197.65 × 805,343.25
  4. Step 4: Simplify right side
    1,284,387.83x = 1,551,250,275,593.36
  5. Step 5: Solve for x
    x = 1,551,250,275,593.36/1,284,387.83
  6. Step 6: Final answer
    x = 1,207,774.04

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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.