Home / 375,816.53-518,648.04-222,945.23

Finding the Fourth Proportional to 375,816.53, 518,648.04 and 222,945.23

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Solution

The fourth proportional to 375,816.53, 518,648.04 and 222,945.23 is: 307,677.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,816.53 : 518,648.04 = 222,945.23 : x
  2. Step 2: Convert to fraction form
    375,816.53/518,648.04 = 222,945.23/x
  3. Step 3: Cross multiply
    375,816.53x = 518,648.04 × 222,945.23
  4. Step 4: Simplify right side
    375,816.53x = 115,630,107,863.47
  5. Step 5: Solve for x
    x = 115,630,107,863.47/375,816.53
  6. Step 6: Final answer
    x = 307,677.01

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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.