Home / 996,120.43-1,374,639.77-566,400.52

Finding the Fourth Proportional to 996,120.43, 1,374,639.77 and 566,400.52

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Solution

The fourth proportional to 996,120.43, 1,374,639.77 and 566,400.52 is: 781,629.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,120.43 : 1,374,639.77 = 566,400.52 : x
  2. Step 2: Convert to fraction form
    996,120.43/1,374,639.77 = 566,400.52/x
  3. Step 3: Cross multiply
    996,120.43x = 1,374,639.77 × 566,400.52
  4. Step 4: Simplify right side
    996,120.43x = 778,596,680,540.68
  5. Step 5: Solve for x
    x = 778,596,680,540.68/996,120.43
  6. Step 6: Final answer
    x = 781,629.07

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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.