Home / 752,422.23-1,038,372.62-412,902.63

Finding the Fourth Proportional to 752,422.23, 1,038,372.62 and 412,902.63

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Solution

The fourth proportional to 752,422.23, 1,038,372.62 and 412,902.63 is: 569,822.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,422.23 : 1,038,372.62 = 412,902.63 : x
  2. Step 2: Convert to fraction form
    752,422.23/1,038,372.62 = 412,902.63/x
  3. Step 3: Cross multiply
    752,422.23x = 1,038,372.62 × 412,902.63
  4. Step 4: Simplify right side
    752,422.23x = 428,746,783,653.48
  5. Step 5: Solve for x
    x = 428,746,783,653.48/752,422.23
  6. Step 6: Final answer
    x = 569,822.06

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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.