Home / 1,296,605.58-1,787,174.10-866,728.86

Finding the Fourth Proportional to 1,296,605.58, 1,787,174.10 and 866,728.86

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Solution

The fourth proportional to 1,296,605.58, 1,787,174.10 and 866,728.86 is: 1,194,654.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,605.58 : 1,787,174.10 = 866,728.86 : x
  2. Step 2: Convert to fraction form
    1,296,605.58/1,787,174.10 = 866,728.86/x
  3. Step 3: Cross multiply
    1,296,605.58x = 1,787,174.10 × 866,728.86
  4. Step 4: Simplify right side
    1,296,605.58x = 1,548,995,370,314.53
  5. Step 5: Solve for x
    x = 1,548,995,370,314.53/1,296,605.58
  6. Step 6: Final answer
    x = 1,194,654.25

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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.