Home / 1,023,771.06-1,413,257.01-661,371.54

Finding the Fourth Proportional to 1,023,771.06, 1,413,257.01 and 661,371.54

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Solution

The fourth proportional to 1,023,771.06, 1,413,257.01 and 661,371.54 is: 912,985.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,771.06 : 1,413,257.01 = 661,371.54 : x
  2. Step 2: Convert to fraction form
    1,023,771.06/1,413,257.01 = 661,371.54/x
  3. Step 3: Cross multiply
    1,023,771.06x = 1,413,257.01 × 661,371.54
  4. Step 4: Simplify right side
    1,023,771.06x = 934,687,965,119.50
  5. Step 5: Solve for x
    x = 934,687,965,119.50/1,023,771.06
  6. Step 6: Final answer
    x = 912,985.34

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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.