Home / 622,377.20-931,492.20-547,727.60

Finding the Fourth Proportional to 622,377.20, 931,492.20 and 547,727.60

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Solution

The fourth proportional to 622,377.20, 931,492.20 and 547,727.60 is: 819,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,377.20 : 931,492.20 = 547,727.60 : x
  2. Step 2: Convert to fraction form
    622,377.20/931,492.20 = 547,727.60/x
  3. Step 3: Cross multiply
    622,377.20x = 931,492.20 × 547,727.60
  4. Step 4: Simplify right side
    622,377.20x = 510,203,987,124.72
  5. Step 5: Solve for x
    x = 510,203,987,124.72/622,377.20
  6. Step 6: Final answer
    x = 819,766.51

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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.