Home / 1,091,399.66-1,505,931.60-607,952.78

Finding the Fourth Proportional to 1,091,399.66, 1,505,931.60 and 607,952.78

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Solution

The fourth proportional to 1,091,399.66, 1,505,931.60 and 607,952.78 is: 838,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,399.66 : 1,505,931.60 = 607,952.78 : x
  2. Step 2: Convert to fraction form
    1,091,399.66/1,505,931.60 = 607,952.78/x
  3. Step 3: Cross multiply
    1,091,399.66x = 1,505,931.60 × 607,952.78
  4. Step 4: Simplify right side
    1,091,399.66x = 915,535,302,709.85
  5. Step 5: Solve for x
    x = 915,535,302,709.85/1,091,399.66
  6. Step 6: Final answer
    x = 838,863.47

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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.