Home / 849,342.75-1,172,112.48-481,844.48

Finding the Fourth Proportional to 849,342.75, 1,172,112.48 and 481,844.48

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Solution

The fourth proportional to 849,342.75, 1,172,112.48 and 481,844.48 is: 664,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,342.75 : 1,172,112.48 = 481,844.48 : x
  2. Step 2: Convert to fraction form
    849,342.75/1,172,112.48 = 481,844.48/x
  3. Step 3: Cross multiply
    849,342.75x = 1,172,112.48 × 481,844.48
  4. Step 4: Simplify right side
    849,342.75x = 564,775,932,259.29
  5. Step 5: Solve for x
    x = 564,775,932,259.29/849,342.75
  6. Step 6: Final answer
    x = 664,956.44

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Double scale
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1.5x scale

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.