Home / 1,505,844.62-2,078,090.57-817,516.61

Finding the Fourth Proportional to 1,505,844.62, 2,078,090.57 and 817,516.61

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Solution

The fourth proportional to 1,505,844.62, 2,078,090.57 and 817,516.61 is: 1,128,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,844.62 : 2,078,090.57 = 817,516.61 : x
  2. Step 2: Convert to fraction form
    1,505,844.62/2,078,090.57 = 817,516.61/x
  3. Step 3: Cross multiply
    1,505,844.62x = 2,078,090.57 × 817,516.61
  4. Step 4: Simplify right side
    1,505,844.62x = 1,698,873,553,971.78
  5. Step 5: Solve for x
    x = 1,698,873,553,971.78/1,505,844.62
  6. Step 6: Final answer
    x = 1,128,186.49

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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.