Home / 306,887.04-423,473.76-226,357.92

Finding the Fourth Proportional to 306,887.04, 423,473.76 and 226,357.92

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Solution

The fourth proportional to 306,887.04, 423,473.76 and 226,357.92 is: 312,351.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,887.04 : 423,473.76 = 226,357.92 : x
  2. Step 2: Convert to fraction form
    306,887.04/423,473.76 = 226,357.92/x
  3. Step 3: Cross multiply
    306,887.04x = 423,473.76 × 226,357.92
  4. Step 4: Simplify right side
    306,887.04x = 95,856,639,488.18
  5. Step 5: Solve for x
    x = 95,856,639,488.18/306,887.04
  6. Step 6: Final answer
    x = 312,351.54

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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.