Home / 867,174.94-1,196,670.90-479,991.12

Finding the Fourth Proportional to 867,174.94, 1,196,670.90 and 479,991.12

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Solution

The fourth proportional to 867,174.94, 1,196,670.90 and 479,991.12 is: 662,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,174.94 : 1,196,670.90 = 479,991.12 : x
  2. Step 2: Convert to fraction form
    867,174.94/1,196,670.90 = 479,991.12/x
  3. Step 3: Cross multiply
    867,174.94x = 1,196,670.90 × 479,991.12
  4. Step 4: Simplify right side
    867,174.94x = 574,391,405,562.41
  5. Step 5: Solve for x
    x = 574,391,405,562.41/867,174.94
  6. Step 6: Final answer
    x = 662,370.85

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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.