Home / 452,425.23-678,637.44-115,465.86

Finding the Fourth Proportional to 452,425.23, 678,637.44 and 115,465.86

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Solution

The fourth proportional to 452,425.23, 678,637.44 and 115,465.86 is: 173,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,425.23 : 678,637.44 = 115,465.86 : x
  2. Step 2: Convert to fraction form
    452,425.23/678,637.44 = 115,465.86/x
  3. Step 3: Cross multiply
    452,425.23x = 678,637.44 × 115,465.86
  4. Step 4: Simplify right side
    452,425.23x = 78,359,455,637.80
  5. Step 5: Solve for x
    x = 78,359,455,637.80/452,425.23
  6. Step 6: Final answer
    x = 173,198.69

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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.