Home / 440,640.38-608,084.33-249,666.66

Finding the Fourth Proportional to 440,640.38, 608,084.33 and 249,666.66

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Solution

The fourth proportional to 440,640.38, 608,084.33 and 249,666.66 is: 344,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,640.38 : 608,084.33 = 249,666.66 : x
  2. Step 2: Convert to fraction form
    440,640.38/608,084.33 = 249,666.66/x
  3. Step 3: Cross multiply
    440,640.38x = 608,084.33 × 249,666.66
  4. Step 4: Simplify right side
    440,640.38x = 151,818,383,669.44
  5. Step 5: Solve for x
    x = 151,818,383,669.44/440,640.38
  6. Step 6: Final answer
    x = 344,540.33

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Double scale
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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.