Home / 419,112.32-578,387.38-296,823.48

Finding the Fourth Proportional to 419,112.32, 578,387.38 and 296,823.48

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Solution

The fourth proportional to 419,112.32, 578,387.38 and 296,823.48 is: 409,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,112.32 : 578,387.38 = 296,823.48 : x
  2. Step 2: Convert to fraction form
    419,112.32/578,387.38 = 296,823.48/x
  3. Step 3: Cross multiply
    419,112.32x = 578,387.38 × 296,823.48
  4. Step 4: Simplify right side
    419,112.32x = 171,678,954,919.68
  5. Step 5: Solve for x
    x = 171,678,954,919.68/419,112.32
  6. Step 6: Final answer
    x = 409,625.17

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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.