Home / 452,559.38-678,838.75-115,587.95

Finding the Fourth Proportional to 452,559.38, 678,838.75 and 115,587.95

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Solution

The fourth proportional to 452,559.38, 678,838.75 and 115,587.95 is: 173,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,559.38 : 678,838.75 = 115,587.95 : x
  2. Step 2: Convert to fraction form
    452,559.38/678,838.75 = 115,587.95/x
  3. Step 3: Cross multiply
    452,559.38x = 678,838.75 × 115,587.95
  4. Step 4: Simplify right side
    452,559.38x = 78,465,575,809.90
  5. Step 5: Solve for x
    x = 78,465,575,809.90/452,559.38
  6. Step 6: Final answer
    x = 173,381.84

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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.