Home / 489,454.04-675,436.24-271,650.04

Finding the Fourth Proportional to 489,454.04, 675,436.24 and 271,650.04

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Solution

The fourth proportional to 489,454.04, 675,436.24 and 271,650.04 is: 374,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,454.04 : 675,436.24 = 271,650.04 : x
  2. Step 2: Convert to fraction form
    489,454.04/675,436.24 = 271,650.04/x
  3. Step 3: Cross multiply
    489,454.04x = 675,436.24 × 271,650.04
  4. Step 4: Simplify right side
    489,454.04x = 183,482,281,613.45
  5. Step 5: Solve for x
    x = 183,482,281,613.45/489,454.04
  6. Step 6: Final answer
    x = 374,871.32

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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.