Home / 419,097.22-578,366.68-258,045.18

Finding the Fourth Proportional to 419,097.22, 578,366.68 and 258,045.18

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Solution

The fourth proportional to 419,097.22, 578,366.68 and 258,045.18 is: 356,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,097.22 : 578,366.68 = 258,045.18 : x
  2. Step 2: Convert to fraction form
    419,097.22/578,366.68 = 258,045.18/x
  3. Step 3: Cross multiply
    419,097.22x = 578,366.68 × 258,045.18
  4. Step 4: Simplify right side
    419,097.22x = 149,244,734,046.60
  5. Step 5: Solve for x
    x = 149,244,734,046.60/419,097.22
  6. Step 6: Final answer
    x = 356,110.05

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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.