Home / 327,718.40-452,018.24-218,767.84

Finding the Fourth Proportional to 327,718.40, 452,018.24 and 218,767.84

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Solution

The fourth proportional to 327,718.40, 452,018.24 and 218,767.84 is: 301,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,718.40 : 452,018.24 = 218,767.84 : x
  2. Step 2: Convert to fraction form
    327,718.40/452,018.24 = 218,767.84/x
  3. Step 3: Cross multiply
    327,718.40x = 452,018.24 × 218,767.84
  4. Step 4: Simplify right side
    327,718.40x = 98,887,054,005.40
  5. Step 5: Solve for x
    x = 98,887,054,005.40/327,718.40
  6. Step 6: Final answer
    x = 301,743.98

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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.