Home / 548,429.20-822,311.56-358,660.51

Finding the Fourth Proportional to 548,429.20, 822,311.56 and 358,660.51

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Solution

The fourth proportional to 548,429.20, 822,311.56 and 358,660.51 is: 537,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,429.20 : 822,311.56 = 358,660.51 : x
  2. Step 2: Convert to fraction form
    548,429.20/822,311.56 = 358,660.51/x
  3. Step 3: Cross multiply
    548,429.20x = 822,311.56 × 358,660.51
  4. Step 4: Simplify right side
    548,429.20x = 294,930,683,488.50
  5. Step 5: Solve for x
    x = 294,930,683,488.50/548,429.20
  6. Step 6: Final answer
    x = 537,773.49

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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.