Home / 1,149,933.11-1,586,909.93-691,054.72

Finding the Fourth Proportional to 1,149,933.11, 1,586,909.93 and 691,054.72

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Solution

The fourth proportional to 1,149,933.11, 1,586,909.93 and 691,054.72 is: 953,656.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,933.11 : 1,586,909.93 = 691,054.72 : x
  2. Step 2: Convert to fraction form
    1,149,933.11/1,586,909.93 = 691,054.72/x
  3. Step 3: Cross multiply
    1,149,933.11x = 1,586,909.93 × 691,054.72
  4. Step 4: Simplify right side
    1,149,933.11x = 1,096,641,589,918.82
  5. Step 5: Solve for x
    x = 1,096,641,589,918.82/1,149,933.11
  6. Step 6: Final answer
    x = 953,656.86

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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.