Home / 486,787.20-671,766.32-271,927.26

Finding the Fourth Proportional to 486,787.20, 671,766.32 and 271,927.26

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Solution

The fourth proportional to 486,787.20, 671,766.32 and 271,927.26 is: 375,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,787.20 : 671,766.32 = 271,927.26 : x
  2. Step 2: Convert to fraction form
    486,787.20/671,766.32 = 271,927.26/x
  3. Step 3: Cross multiply
    486,787.20x = 671,766.32 × 271,927.26
  4. Step 4: Simplify right side
    486,787.20x = 182,671,574,757.88
  5. Step 5: Solve for x
    x = 182,671,574,757.88/486,787.20
  6. Step 6: Final answer
    x = 375,259.61

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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.