Home / 438,895.74-605,509.18-324,449.16

Finding the Fourth Proportional to 438,895.74, 605,509.18 and 324,449.16

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Solution

The fourth proportional to 438,895.74, 605,509.18 and 324,449.16 is: 447,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,895.74 : 605,509.18 = 324,449.16 : x
  2. Step 2: Convert to fraction form
    438,895.74/605,509.18 = 324,449.16/x
  3. Step 3: Cross multiply
    438,895.74x = 605,509.18 × 324,449.16
  4. Step 4: Simplify right side
    438,895.74x = 196,456,944,823.29
  5. Step 5: Solve for x
    x = 196,456,944,823.29/438,895.74
  6. Step 6: Final answer
    x = 447,616.43

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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.