Home / 1,165,700.36-1,608,664.64-656,406.38

Finding the Fourth Proportional to 1,165,700.36, 1,608,664.64 and 656,406.38

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Solution

The fourth proportional to 1,165,700.36, 1,608,664.64 and 656,406.38 is: 905,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,700.36 : 1,608,664.64 = 656,406.38 : x
  2. Step 2: Convert to fraction form
    1,165,700.36/1,608,664.64 = 656,406.38/x
  3. Step 3: Cross multiply
    1,165,700.36x = 1,608,664.64 × 656,406.38
  4. Step 4: Simplify right side
    1,165,700.36x = 1,055,937,732,976.40
  5. Step 5: Solve for x
    x = 1,055,937,732,976.40/1,165,700.36
  6. Step 6: Final answer
    x = 905,839.76

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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.