Home / 740,958.58-1,022,523.92-401,426.83

Finding the Fourth Proportional to 740,958.58, 1,022,523.92 and 401,426.83

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Solution

The fourth proportional to 740,958.58, 1,022,523.92 and 401,426.83 is: 553,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,958.58 : 1,022,523.92 = 401,426.83 : x
  2. Step 2: Convert to fraction form
    740,958.58/1,022,523.92 = 401,426.83/x
  3. Step 3: Cross multiply
    740,958.58x = 1,022,523.92 × 401,426.83
  4. Step 4: Simplify right side
    740,958.58x = 410,468,535,804.77
  5. Step 5: Solve for x
    x = 410,468,535,804.77/740,958.58
  6. Step 6: Final answer
    x = 553,969.61

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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.