Home / 497,965.20-745,963.65-272,922.90

Finding the Fourth Proportional to 497,965.20, 745,963.65 and 272,922.90

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Solution

The fourth proportional to 497,965.20, 745,963.65 and 272,922.90 is: 408,844.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,965.20 : 745,963.65 = 272,922.90 : x
  2. Step 2: Convert to fraction form
    497,965.20/745,963.65 = 272,922.90/x
  3. Step 3: Cross multiply
    497,965.20x = 745,963.65 × 272,922.90
  4. Step 4: Simplify right side
    497,965.20x = 203,590,562,652.59
  5. Step 5: Solve for x
    x = 203,590,562,652.59/497,965.20
  6. Step 6: Final answer
    x = 408,844.96

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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.