Home / 782,253.46-1,079,997.33-537,659.38

Finding the Fourth Proportional to 782,253.46, 1,079,997.33 and 537,659.38

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Solution

The fourth proportional to 782,253.46, 1,079,997.33 and 537,659.38 is: 742,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,253.46 : 1,079,997.33 = 537,659.38 : x
  2. Step 2: Convert to fraction form
    782,253.46/1,079,997.33 = 537,659.38/x
  3. Step 3: Cross multiply
    782,253.46x = 1,079,997.33 × 537,659.38
  4. Step 4: Simplify right side
    782,253.46x = 580,670,694,849.46
  5. Step 5: Solve for x
    x = 580,670,694,849.46/782,253.46
  6. Step 6: Final answer
    x = 742,305.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.