Home / 400,914.06-553,261.62-219,632.55

Finding the Fourth Proportional to 400,914.06, 553,261.62 and 219,632.55

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Solution

The fourth proportional to 400,914.06, 553,261.62 and 219,632.55 is: 303,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,914.06 : 553,261.62 = 219,632.55 : x
  2. Step 2: Convert to fraction form
    400,914.06/553,261.62 = 219,632.55/x
  3. Step 3: Cross multiply
    400,914.06x = 553,261.62 × 219,632.55
  4. Step 4: Simplify right side
    400,914.06x = 121,514,260,417.73
  5. Step 5: Solve for x
    x = 121,514,260,417.73/400,914.06
  6. Step 6: Final answer
    x = 303,093.04

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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.