Home / 419,623.49-578,833.16-296,977.91

Finding the Fourth Proportional to 419,623.49, 578,833.16 and 296,977.91

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Solution

The fourth proportional to 419,623.49, 578,833.16 and 296,977.91 is: 409,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,623.49 : 578,833.16 = 296,977.91 : x
  2. Step 2: Convert to fraction form
    419,623.49/578,833.16 = 296,977.91/x
  3. Step 3: Cross multiply
    419,623.49x = 578,833.16 × 296,977.91
  4. Step 4: Simplify right side
    419,623.49x = 171,900,657,716.44
  5. Step 5: Solve for x
    x = 171,900,657,716.44/419,623.49
  6. Step 6: Final answer
    x = 409,654.52

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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.