Home / 419,243.32-578,568.18-237,951.64

Finding the Fourth Proportional to 419,243.32, 578,568.18 and 237,951.64

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Solution

The fourth proportional to 419,243.32, 578,568.18 and 237,951.64 is: 328,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,243.32 : 578,568.18 = 237,951.64 : x
  2. Step 2: Convert to fraction form
    419,243.32/578,568.18 = 237,951.64/x
  3. Step 3: Cross multiply
    419,243.32x = 578,568.18 × 237,951.64
  4. Step 4: Simplify right side
    419,243.32x = 137,671,247,282.82
  5. Step 5: Solve for x
    x = 137,671,247,282.82/419,243.32
  6. Step 6: Final answer
    x = 328,380.30

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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.