Home / 1,023,660.86-1,413,104.95-661,261.39

Finding the Fourth Proportional to 1,023,660.86, 1,413,104.95 and 661,261.39

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Solution

The fourth proportional to 1,023,660.86, 1,413,104.95 and 661,261.39 is: 912,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,660.86 : 1,413,104.95 = 661,261.39 : x
  2. Step 2: Convert to fraction form
    1,023,660.86/1,413,104.95 = 661,261.39/x
  3. Step 3: Cross multiply
    1,023,660.86x = 1,413,104.95 × 661,261.39
  4. Step 4: Simplify right side
    1,023,660.86x = 934,431,743,452.88
  5. Step 5: Solve for x
    x = 934,431,743,452.88/1,023,660.86
  6. Step 6: Final answer
    x = 912,833.32

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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.