Home / 1,335,648.91-1,998,684.37-1,156,351.05

Finding the Fourth Proportional to 1,335,648.91, 1,998,684.37 and 1,156,351.05

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Solution

The fourth proportional to 1,335,648.91, 1,998,684.37 and 1,156,351.05 is: 1,730,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,648.91 : 1,998,684.37 = 1,156,351.05 : x
  2. Step 2: Convert to fraction form
    1,335,648.91/1,998,684.37 = 1,156,351.05/x
  3. Step 3: Cross multiply
    1,335,648.91x = 1,998,684.37 × 1,156,351.05
  4. Step 4: Simplify right side
    1,335,648.91x = 2,311,180,769,868.09
  5. Step 5: Solve for x
    x = 2,311,180,769,868.09/1,335,648.91
  6. Step 6: Final answer
    x = 1,730,380.46

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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.