Home / 1,418,728.86-1,957,893.11-774,184.42

Finding the Fourth Proportional to 1,418,728.86, 1,957,893.11 and 774,184.42

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Solution

The fourth proportional to 1,418,728.86, 1,957,893.11 and 774,184.42 is: 1,068,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,728.86 : 1,957,893.11 = 774,184.42 : x
  2. Step 2: Convert to fraction form
    1,418,728.86/1,957,893.11 = 774,184.42/x
  3. Step 3: Cross multiply
    1,418,728.86x = 1,957,893.11 × 774,184.42
  4. Step 4: Simplify right side
    1,418,728.86x = 1,515,770,341,787.35
  5. Step 5: Solve for x
    x = 1,515,770,341,787.35/1,418,728.86
  6. Step 6: Final answer
    x = 1,068,400.30

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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.