Home / 419,532.88-578,936.61-245,119.18

Finding the Fourth Proportional to 419,532.88, 578,936.61 and 245,119.18

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Solution

The fourth proportional to 419,532.88, 578,936.61 and 245,119.18 is: 338,253.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,532.88 : 578,936.61 = 245,119.18 : x
  2. Step 2: Convert to fraction form
    419,532.88/578,936.61 = 245,119.18/x
  3. Step 3: Cross multiply
    419,532.88x = 578,936.61 × 245,119.18
  4. Step 4: Simplify right side
    419,532.88x = 141,908,467,115.18
  5. Step 5: Solve for x
    x = 141,908,467,115.18/419,532.88
  6. Step 6: Final answer
    x = 338,253.50

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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.