Home / 844,724.31-1,165,427.42-640,562.55

Finding the Fourth Proportional to 844,724.31, 1,165,427.42 and 640,562.55

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Solution

The fourth proportional to 844,724.31, 1,165,427.42 and 640,562.55 is: 883,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,724.31 : 1,165,427.42 = 640,562.55 : x
  2. Step 2: Convert to fraction form
    844,724.31/1,165,427.42 = 640,562.55/x
  3. Step 3: Cross multiply
    844,724.31x = 1,165,427.42 × 640,562.55
  4. Step 4: Simplify right side
    844,724.31x = 746,529,156,792.31
  5. Step 5: Solve for x
    x = 746,529,156,792.31/844,724.31
  6. Step 6: Final answer
    x = 883,754.79

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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.