Home / 418,439.16-577,916.46-324,087.48

Finding the Fourth Proportional to 418,439.16, 577,916.46 and 324,087.48

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Solution

The fourth proportional to 418,439.16, 577,916.46 and 324,087.48 is: 447,605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,439.16 : 577,916.46 = 324,087.48 : x
  2. Step 2: Convert to fraction form
    418,439.16/577,916.46 = 324,087.48/x
  3. Step 3: Cross multiply
    418,439.16x = 577,916.46 × 324,087.48
  4. Step 4: Simplify right side
    418,439.16x = 187,295,489,171.92
  5. Step 5: Solve for x
    x = 187,295,489,171.92/418,439.16
  6. Step 6: Final answer
    x = 447,605.07

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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.