Home / 452,429.73-678,644.19-115,470.36

Finding the Fourth Proportional to 452,429.73, 678,644.19 and 115,470.36

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Solution

The fourth proportional to 452,429.73, 678,644.19 and 115,470.36 is: 173,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,429.73 : 678,644.19 = 115,470.36 : x
  2. Step 2: Convert to fraction form
    452,429.73/678,644.19 = 115,470.36/x
  3. Step 3: Cross multiply
    452,429.73x = 678,644.19 × 115,470.36
  4. Step 4: Simplify right side
    452,429.73x = 78,363,288,931.21
  5. Step 5: Solve for x
    x = 78,363,288,931.21/452,429.73
  6. Step 6: Final answer
    x = 173,205.44

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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.