Home / 1,091,397.66-1,505,928.84-607,950.78

Finding the Fourth Proportional to 1,091,397.66, 1,505,928.84 and 607,950.78

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Solution

The fourth proportional to 1,091,397.66, 1,505,928.84 and 607,950.78 is: 838,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,397.66 : 1,505,928.84 = 607,950.78 : x
  2. Step 2: Convert to fraction form
    1,091,397.66/1,505,928.84 = 607,950.78/x
  3. Step 3: Cross multiply
    1,091,397.66x = 1,505,928.84 × 607,950.78
  4. Step 4: Simplify right side
    1,091,397.66x = 915,530,612,902.50
  5. Step 5: Solve for x
    x = 915,530,612,902.50/1,091,397.66
  6. Step 6: Final answer
    x = 838,860.71

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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.