Home / 380,071.27-524,415.04-227,086.48

Finding the Fourth Proportional to 380,071.27, 524,415.04 and 227,086.48

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Solution

The fourth proportional to 380,071.27, 524,415.04 and 227,086.48 is: 313,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,071.27 : 524,415.04 = 227,086.48 : x
  2. Step 2: Convert to fraction form
    380,071.27/524,415.04 = 227,086.48/x
  3. Step 3: Cross multiply
    380,071.27x = 524,415.04 × 227,086.48
  4. Step 4: Simplify right side
    380,071.27x = 119,087,565,492.66
  5. Step 5: Solve for x
    x = 119,087,565,492.66/380,071.27
  6. Step 6: Final answer
    x = 313,329.56

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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.