Home / 1,157,978.66-1,737,096.01-399,734.15

Finding the Fourth Proportional to 1,157,978.66, 1,737,096.01 and 399,734.15

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Solution

The fourth proportional to 1,157,978.66, 1,737,096.01 and 399,734.15 is: 599,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,978.66 : 1,737,096.01 = 399,734.15 : x
  2. Step 2: Convert to fraction form
    1,157,978.66/1,737,096.01 = 399,734.15/x
  3. Step 3: Cross multiply
    1,157,978.66x = 1,737,096.01 × 399,734.15
  4. Step 4: Simplify right side
    1,157,978.66x = 694,376,587,340.93
  5. Step 5: Solve for x
    x = 694,376,587,340.93/1,157,978.66
  6. Step 6: Final answer
    x = 599,645.41

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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.