Home / 1,138,737.06-1,707,524.64-380,305.32

Finding the Fourth Proportional to 1,138,737.06, 1,707,524.64 and 380,305.32

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Solution

The fourth proportional to 1,138,737.06, 1,707,524.64 and 380,305.32 is: 570,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,737.06 : 1,707,524.64 = 380,305.32 : x
  2. Step 2: Convert to fraction form
    1,138,737.06/1,707,524.64 = 380,305.32/x
  3. Step 3: Cross multiply
    1,138,737.06x = 1,707,524.64 × 380,305.32
  4. Step 4: Simplify right side
    1,138,737.06x = 649,380,704,623.09
  5. Step 5: Solve for x
    x = 649,380,704,623.09/1,138,737.06
  6. Step 6: Final answer
    x = 570,263.96

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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.