Home / 752,441.73-1,038,399.53-412,922.13

Finding the Fourth Proportional to 752,441.73, 1,038,399.53 and 412,922.13

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Solution

The fourth proportional to 752,441.73, 1,038,399.53 and 412,922.13 is: 569,848.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,441.73 : 1,038,399.53 = 412,922.13 : x
  2. Step 2: Convert to fraction form
    752,441.73/1,038,399.53 = 412,922.13/x
  3. Step 3: Cross multiply
    752,441.73x = 1,038,399.53 × 412,922.13
  4. Step 4: Simplify right side
    752,441.73x = 428,778,143,653.99
  5. Step 5: Solve for x
    x = 428,778,143,653.99/752,441.73
  6. Step 6: Final answer
    x = 569,848.97

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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.