Home / 484,478.28-668,562.66-269,627.40

Finding the Fourth Proportional to 484,478.28, 668,562.66 and 269,627.40

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Solution

The fourth proportional to 484,478.28, 668,562.66 and 269,627.40 is: 372,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,478.28 : 668,562.66 = 269,627.40 : x
  2. Step 2: Convert to fraction form
    484,478.28/668,562.66 = 269,627.40/x
  3. Step 3: Cross multiply
    484,478.28x = 668,562.66 × 269,627.40
  4. Step 4: Simplify right side
    484,478.28x = 180,262,811,752.88
  5. Step 5: Solve for x
    x = 180,262,811,752.88/484,478.28
  6. Step 6: Final answer
    x = 372,076.15

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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.