Home / 380,187.19-524,622.71-227,194.92

Finding the Fourth Proportional to 380,187.19, 524,622.71 and 227,194.92

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Solution

The fourth proportional to 380,187.19, 524,622.71 and 227,194.92 is: 313,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,187.19 : 524,622.71 = 227,194.92 : x
  2. Step 2: Convert to fraction form
    380,187.19/524,622.71 = 227,194.92/x
  3. Step 3: Cross multiply
    380,187.19x = 524,622.71 × 227,194.92
  4. Step 4: Simplify right side
    380,187.19x = 119,191,613,492.66
  5. Step 5: Solve for x
    x = 119,191,613,492.66/380,187.19
  6. Step 6: Final answer
    x = 313,507.71

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Half scale
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Double scale
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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.