Home / 664,445.58-996,827.13-215,166.96

Finding the Fourth Proportional to 664,445.58, 996,827.13 and 215,166.96

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Solution

The fourth proportional to 664,445.58, 996,827.13 and 215,166.96 is: 322,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,445.58 : 996,827.13 = 215,166.96 : x
  2. Step 2: Convert to fraction form
    664,445.58/996,827.13 = 215,166.96/x
  3. Step 3: Cross multiply
    664,445.58x = 996,827.13 × 215,166.96
  4. Step 4: Simplify right side
    664,445.58x = 214,484,263,207.63
  5. Step 5: Solve for x
    x = 214,484,263,207.63/664,445.58
  6. Step 6: Final answer
    x = 322,801.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.