Home / 682,070.49-1,023,253.70-261,346.77

Finding the Fourth Proportional to 682,070.49, 1,023,253.70 and 261,346.77

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Solution

The fourth proportional to 682,070.49, 1,023,253.70 and 261,346.77 is: 392,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,070.49 : 1,023,253.70 = 261,346.77 : x
  2. Step 2: Convert to fraction form
    682,070.49/1,023,253.70 = 261,346.77/x
  3. Step 3: Cross multiply
    682,070.49x = 1,023,253.70 × 261,346.77
  4. Step 4: Simplify right side
    682,070.49x = 267,424,048,078.82
  5. Step 5: Solve for x
    x = 267,424,048,078.82/682,070.49
  6. Step 6: Final answer
    x = 392,076.85

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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.