Home / 452,421.41-678,631.73-115,462.04

Finding the Fourth Proportional to 452,421.41, 678,631.73 and 115,462.04

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Solution

The fourth proportional to 452,421.41, 678,631.73 and 115,462.04 is: 173,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,421.41 : 678,631.73 = 115,462.04 : x
  2. Step 2: Convert to fraction form
    452,421.41/678,631.73 = 115,462.04/x
  3. Step 3: Cross multiply
    452,421.41x = 678,631.73 × 115,462.04
  4. Step 4: Simplify right side
    452,421.41x = 78,356,203,954.53
  5. Step 5: Solve for x
    x = 78,356,203,954.53/452,421.41
  6. Step 6: Final answer
    x = 173,192.96

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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.