Home / 598,401.30-826,337.09-445,383.59

Finding the Fourth Proportional to 598,401.30, 826,337.09 and 445,383.59

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Solution

The fourth proportional to 598,401.30, 826,337.09 and 445,383.59 is: 615,033.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,401.30 : 826,337.09 = 445,383.59 : x
  2. Step 2: Convert to fraction form
    598,401.30/826,337.09 = 445,383.59/x
  3. Step 3: Cross multiply
    598,401.30x = 826,337.09 × 445,383.59
  4. Step 4: Simplify right side
    598,401.30x = 368,036,982,873.66
  5. Step 5: Solve for x
    x = 368,036,982,873.66/598,401.30
  6. Step 6: Final answer
    x = 615,033.73

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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.