Home / 386,867.52-533,929.32-217,110.96

Finding the Fourth Proportional to 386,867.52, 533,929.32 and 217,110.96

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Solution

The fourth proportional to 386,867.52, 533,929.32 and 217,110.96 is: 299,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,867.52 : 533,929.32 = 217,110.96 : x
  2. Step 2: Convert to fraction form
    386,867.52/533,929.32 = 217,110.96/x
  3. Step 3: Cross multiply
    386,867.52x = 533,929.32 × 217,110.96
  4. Step 4: Simplify right side
    386,867.52x = 115,921,907,237.35
  5. Step 5: Solve for x
    x = 115,921,907,237.35/386,867.52
  6. Step 6: Final answer
    x = 299,642.39

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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.