Home / 622,567.20-934,725.60-386,371.20

Finding the Fourth Proportional to 622,567.20, 934,725.60 and 386,371.20

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Solution

The fourth proportional to 622,567.20, 934,725.60 and 386,371.20 is: 580,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,567.20 : 934,725.60 = 386,371.20 : x
  2. Step 2: Convert to fraction form
    622,567.20/934,725.60 = 386,371.20/x
  3. Step 3: Cross multiply
    622,567.20x = 934,725.60 × 386,371.20
  4. Step 4: Simplify right side
    622,567.20x = 361,151,051,742.72
  5. Step 5: Solve for x
    x = 361,151,051,742.72/622,567.20
  6. Step 6: Final answer
    x = 580,099.71

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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.