Home / 682,443.89-941,626.58-392,091.02

Finding the Fourth Proportional to 682,443.89, 941,626.58 and 392,091.02

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Solution

The fourth proportional to 682,443.89, 941,626.58 and 392,091.02 is: 541,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,443.89 : 941,626.58 = 392,091.02 : x
  2. Step 2: Convert to fraction form
    682,443.89/941,626.58 = 392,091.02/x
  3. Step 3: Cross multiply
    682,443.89x = 941,626.58 × 392,091.02
  4. Step 4: Simplify right side
    682,443.89x = 369,203,326,211.31
  5. Step 5: Solve for x
    x = 369,203,326,211.31/682,443.89
  6. Step 6: Final answer
    x = 541,001.73

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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.