Home / 452,415.60-678,622.92-115,456.24

Finding the Fourth Proportional to 452,415.60, 678,622.92 and 115,456.24

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Solution

The fourth proportional to 452,415.60, 678,622.92 and 115,456.24 is: 173,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,415.60 : 678,622.92 = 115,456.24 : x
  2. Step 2: Convert to fraction form
    452,415.60/678,622.92 = 115,456.24/x
  3. Step 3: Cross multiply
    452,415.60x = 678,622.92 × 115,456.24
  4. Step 4: Simplify right side
    452,415.60x = 78,351,250,721.02
  5. Step 5: Solve for x
    x = 78,351,250,721.02/452,415.60
  6. Step 6: Final answer
    x = 173,184.24

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1.5x scale

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.