Home / 548,979.40-823,392.30-175,040.20

Finding the Fourth Proportional to 548,979.40, 823,392.30 and 175,040.20

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Solution

The fourth proportional to 548,979.40, 823,392.30 and 175,040.20 is: 262,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,979.40 : 823,392.30 = 175,040.20 : x
  2. Step 2: Convert to fraction form
    548,979.40/823,392.30 = 175,040.20/x
  3. Step 3: Cross multiply
    548,979.40x = 823,392.30 × 175,040.20
  4. Step 4: Simplify right side
    548,979.40x = 144,126,752,870.46
  5. Step 5: Solve for x
    x = 144,126,752,870.46/548,979.40
  6. Step 6: Final answer
    x = 262,535.81

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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.