Home / 996,120.46-1,374,639.90-566,400.58

Finding the Fourth Proportional to 996,120.46, 1,374,639.90 and 566,400.58

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Solution

The fourth proportional to 996,120.46, 1,374,639.90 and 566,400.58 is: 781,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,120.46 : 1,374,639.90 = 566,400.58 : x
  2. Step 2: Convert to fraction form
    996,120.46/1,374,639.90 = 566,400.58/x
  3. Step 3: Cross multiply
    996,120.46x = 1,374,639.90 × 566,400.58
  4. Step 4: Simplify right side
    996,120.46x = 778,596,836,651.14
  5. Step 5: Solve for x
    x = 778,596,836,651.14/996,120.46
  6. Step 6: Final answer
    x = 781,629.20

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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.