Home / 466,827.21-644,229.90-275,840.19

Finding the Fourth Proportional to 466,827.21, 644,229.90 and 275,840.19

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Solution

The fourth proportional to 466,827.21, 644,229.90 and 275,840.19 is: 380,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,827.21 : 644,229.90 = 275,840.19 : x
  2. Step 2: Convert to fraction form
    466,827.21/644,229.90 = 275,840.19/x
  3. Step 3: Cross multiply
    466,827.21x = 644,229.90 × 275,840.19
  4. Step 4: Simplify right side
    466,827.21x = 177,704,498,019.68
  5. Step 5: Solve for x
    x = 177,704,498,019.68/466,827.21
  6. Step 6: Final answer
    x = 380,664.40

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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.