Home / 1,159,232.72-1,739,349.66-627,128.60

Finding the Fourth Proportional to 1,159,232.72, 1,739,349.66 and 627,128.60

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Solution

The fourth proportional to 1,159,232.72, 1,739,349.66 and 627,128.60 is: 940,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,232.72 : 1,739,349.66 = 627,128.60 : x
  2. Step 2: Convert to fraction form
    1,159,232.72/1,739,349.66 = 627,128.60/x
  3. Step 3: Cross multiply
    1,159,232.72x = 1,739,349.66 × 627,128.60
  4. Step 4: Simplify right side
    1,159,232.72x = 1,090,795,917,186.28
  5. Step 5: Solve for x
    x = 1,090,795,917,186.28/1,159,232.72
  6. Step 6: Final answer
    x = 940,963.71

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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.