Home / 447,561.18-617,647.57-243,625.41

Finding the Fourth Proportional to 447,561.18, 617,647.57 and 243,625.41

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Solution

The fourth proportional to 447,561.18, 617,647.57 and 243,625.41 is: 336,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,561.18 : 617,647.57 = 243,625.41 : x
  2. Step 2: Convert to fraction form
    447,561.18/617,647.57 = 243,625.41/x
  3. Step 3: Cross multiply
    447,561.18x = 617,647.57 × 243,625.41
  4. Step 4: Simplify right side
    447,561.18x = 150,474,639,551.51
  5. Step 5: Solve for x
    x = 150,474,639,551.51/447,561.18
  6. Step 6: Final answer
    x = 336,210.21

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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.