Home / 379,686.24-570,415.05-222,025.50

Finding the Fourth Proportional to 379,686.24, 570,415.05 and 222,025.50

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Solution

The fourth proportional to 379,686.24, 570,415.05 and 222,025.50 is: 333,556.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,686.24 : 570,415.05 = 222,025.50 : x
  2. Step 2: Convert to fraction form
    379,686.24/570,415.05 = 222,025.50/x
  3. Step 3: Cross multiply
    379,686.24x = 570,415.05 × 222,025.50
  4. Step 4: Simplify right side
    379,686.24x = 126,646,686,683.78
  5. Step 5: Solve for x
    x = 126,646,686,683.78/379,686.24
  6. Step 6: Final answer
    x = 333,556.17

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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.