Home / 869,951.58-1,305,881.85-691,186.02

Finding the Fourth Proportional to 869,951.58, 1,305,881.85 and 691,186.02

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Solution

The fourth proportional to 869,951.58, 1,305,881.85 and 691,186.02 is: 1,037,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,951.58 : 1,305,881.85 = 691,186.02 : x
  2. Step 2: Convert to fraction form
    869,951.58/1,305,881.85 = 691,186.02/x
  3. Step 3: Cross multiply
    869,951.58x = 1,305,881.85 × 691,186.02
  4. Step 4: Simplify right side
    869,951.58x = 902,607,278,491.74
  5. Step 5: Solve for x
    x = 902,607,278,491.74/869,951.58
  6. Step 6: Final answer
    x = 1,037,537.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.