Home / 376,619.32-519,825.20-215,567.83

Finding the Fourth Proportional to 376,619.32, 519,825.20 and 215,567.83

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Solution

The fourth proportional to 376,619.32, 519,825.20 and 215,567.83 is: 297,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,619.32 : 519,825.20 = 215,567.83 : x
  2. Step 2: Convert to fraction form
    376,619.32/519,825.20 = 215,567.83/x
  3. Step 3: Cross multiply
    376,619.32x = 519,825.20 × 215,567.83
  4. Step 4: Simplify right side
    376,619.32x = 112,057,589,915.26
  5. Step 5: Solve for x
    x = 112,057,589,915.26/376,619.32
  6. Step 6: Final answer
    x = 297,535.43

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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.