Home / 386,780.24-533,765.94-217,026.92

Finding the Fourth Proportional to 386,780.24, 533,765.94 and 217,026.92

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Solution

The fourth proportional to 386,780.24, 533,765.94 and 217,026.92 is: 299,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,780.24 : 533,765.94 = 217,026.92 : x
  2. Step 2: Convert to fraction form
    386,780.24/533,765.94 = 217,026.92/x
  3. Step 3: Cross multiply
    386,780.24x = 533,765.94 × 217,026.92
  4. Step 4: Simplify right side
    386,780.24x = 115,841,579,293.52
  5. Step 5: Solve for x
    x = 115,841,579,293.52/386,780.24
  6. Step 6: Final answer
    x = 299,502.32

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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.