Home / 1,398,500.01-1,928,737.67-1,181,767.05

Finding the Fourth Proportional to 1,398,500.01, 1,928,737.67 and 1,181,767.05

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Solution

The fourth proportional to 1,398,500.01, 1,928,737.67 and 1,181,767.05 is: 1,629,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,500.01 : 1,928,737.67 = 1,181,767.05 : x
  2. Step 2: Convert to fraction form
    1,398,500.01/1,928,737.67 = 1,181,767.05/x
  3. Step 3: Cross multiply
    1,398,500.01x = 1,928,737.67 × 1,181,767.05
  4. Step 4: Simplify right side
    1,398,500.01x = 2,279,318,620,590.94
  5. Step 5: Solve for x
    x = 2,279,318,620,590.94/1,398,500.01
  6. Step 6: Final answer
    x = 1,629,830.96

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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.