Home / 452,580.18-678,870.22-115,621.56

Finding the Fourth Proportional to 452,580.18, 678,870.22 and 115,621.56

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Solution

The fourth proportional to 452,580.18, 678,870.22 and 115,621.56 is: 173,432.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,580.18 : 678,870.22 = 115,621.56 : x
  2. Step 2: Convert to fraction form
    452,580.18/678,870.22 = 115,621.56/x
  3. Step 3: Cross multiply
    452,580.18x = 678,870.22 × 115,621.56
  4. Step 4: Simplify right side
    452,580.18x = 78,492,033,873.94
  5. Step 5: Solve for x
    x = 78,492,033,873.94/452,580.18
  6. Step 6: Final answer
    x = 173,432.33

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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.