Home / 468,566.19-646,138.02-400,807.47

Finding the Fourth Proportional to 468,566.19, 646,138.02 and 400,807.47

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Solution

The fourth proportional to 468,566.19, 646,138.02 and 400,807.47 is: 552,700.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,566.19 : 646,138.02 = 400,807.47 : x
  2. Step 2: Convert to fraction form
    468,566.19/646,138.02 = 400,807.47/x
  3. Step 3: Cross multiply
    468,566.19x = 646,138.02 × 400,807.47
  4. Step 4: Simplify right side
    468,566.19x = 258,976,945,067.01
  5. Step 5: Solve for x
    x = 258,976,945,067.01/468,566.19
  6. Step 6: Final answer
    x = 552,700.88

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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.