Home / 386,495.28-533,369-233,512.24

Finding the Fourth Proportional to 386,495.28, 533,369 and 233,512.24

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Solution

The fourth proportional to 386,495.28, 533,369 and 233,512.24 is: 322,250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,495.28 : 533,369 = 233,512.24 : x
  2. Step 2: Convert to fraction form
    386,495.28/533,369 = 233,512.24/x
  3. Step 3: Cross multiply
    386,495.28x = 533,369 × 233,512.24
  4. Step 4: Simplify right side
    386,495.28x = 124,548,189,936.56
  5. Step 5: Solve for x
    x = 124,548,189,936.56/386,495.28
  6. Step 6: Final answer
    x = 322,250.22

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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.