Home / 1,352,986.20-1,867,151.12-772,197.71

Finding the Fourth Proportional to 1,352,986.20, 1,867,151.12 and 772,197.71

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Solution

The fourth proportional to 1,352,986.20, 1,867,151.12 and 772,197.71 is: 1,065,650.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,986.20 : 1,867,151.12 = 772,197.71 : x
  2. Step 2: Convert to fraction form
    1,352,986.20/1,867,151.12 = 772,197.71/x
  3. Step 3: Cross multiply
    1,352,986.20x = 1,867,151.12 × 772,197.71
  4. Step 4: Simplify right side
    1,352,986.20x = 1,441,809,805,891.19
  5. Step 5: Solve for x
    x = 1,441,809,805,891.19/1,352,986.20
  6. Step 6: Final answer
    x = 1,065,650.05

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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.