Home / 1,193,122.38-1,646,509.16-656,578.38

Finding the Fourth Proportional to 1,193,122.38, 1,646,509.16 and 656,578.38

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Solution

The fourth proportional to 1,193,122.38, 1,646,509.16 and 656,578.38 is: 906,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,122.38 : 1,646,509.16 = 656,578.38 : x
  2. Step 2: Convert to fraction form
    1,193,122.38/1,646,509.16 = 656,578.38/x
  3. Step 3: Cross multiply
    1,193,122.38x = 1,646,509.16 × 656,578.38
  4. Step 4: Simplify right side
    1,193,122.38x = 1,081,062,316,927.96
  5. Step 5: Solve for x
    x = 1,081,062,316,927.96/1,193,122.38
  6. Step 6: Final answer
    x = 906,078.32

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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.