Home / 672,065.60-1,008,076.80-222,807.20

Finding the Fourth Proportional to 672,065.60, 1,008,076.80 and 222,807.20

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Solution

The fourth proportional to 672,065.60, 1,008,076.80 and 222,807.20 is: 334,203.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,065.60 : 1,008,076.80 = 222,807.20 : x
  2. Step 2: Convert to fraction form
    672,065.60/1,008,076.80 = 222,807.20/x
  3. Step 3: Cross multiply
    672,065.60x = 1,008,076.80 × 222,807.20
  4. Step 4: Simplify right side
    672,065.60x = 224,606,769,192.96
  5. Step 5: Solve for x
    x = 224,606,769,192.96/672,065.60
  6. Step 6: Final answer
    x = 334,203.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.