Home / 856,415.78-1,181,767.64-474,371.18

Finding the Fourth Proportional to 856,415.78, 1,181,767.64 and 474,371.18

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Solution

The fourth proportional to 856,415.78, 1,181,767.64 and 474,371.18 is: 654,584.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,415.78 : 1,181,767.64 = 474,371.18 : x
  2. Step 2: Convert to fraction form
    856,415.78/1,181,767.64 = 474,371.18/x
  3. Step 3: Cross multiply
    856,415.78x = 1,181,767.64 × 474,371.18
  4. Step 4: Simplify right side
    856,415.78x = 560,596,509,872.62
  5. Step 5: Solve for x
    x = 560,596,509,872.62/856,415.78
  6. Step 6: Final answer
    x = 654,584.52

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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.