Home / 1,153,379.44-1,591,667.04-644,101.12

Finding the Fourth Proportional to 1,153,379.44, 1,591,667.04 and 644,101.12

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Solution

The fourth proportional to 1,153,379.44, 1,591,667.04 and 644,101.12 is: 888,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,379.44 : 1,591,667.04 = 644,101.12 : x
  2. Step 2: Convert to fraction form
    1,153,379.44/1,591,667.04 = 644,101.12/x
  3. Step 3: Cross multiply
    1,153,379.44x = 1,591,667.04 × 644,101.12
  4. Step 4: Simplify right side
    1,153,379.44x = 1,025,194,523,131.08
  5. Step 5: Solve for x
    x = 1,025,194,523,131.08/1,153,379.44
  6. Step 6: Final answer
    x = 888,861.45

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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.