Home / 869,944.07-1,305,870.59-691,178.49

Finding the Fourth Proportional to 869,944.07, 1,305,870.59 and 691,178.49

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Solution

The fourth proportional to 869,944.07, 1,305,870.59 and 691,178.49 is: 1,037,526.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,944.07 : 1,305,870.59 = 691,178.49 : x
  2. Step 2: Convert to fraction form
    869,944.07/1,305,870.59 = 691,178.49/x
  3. Step 3: Cross multiply
    869,944.07x = 1,305,870.59 × 691,178.49
  4. Step 4: Simplify right side
    869,944.07x = 902,589,664,259.56
  5. Step 5: Solve for x
    x = 902,589,664,259.56/869,944.07
  6. Step 6: Final answer
    x = 1,037,526.08

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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.