Home / 418,085.19-576,968.30-227,109.51

Finding the Fourth Proportional to 418,085.19, 576,968.30 and 227,109.51

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Solution

The fourth proportional to 418,085.19, 576,968.30 and 227,109.51 is: 313,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,085.19 : 576,968.30 = 227,109.51 : x
  2. Step 2: Convert to fraction form
    418,085.19/576,968.30 = 227,109.51/x
  3. Step 3: Cross multiply
    418,085.19x = 576,968.30 × 227,109.51
  4. Step 4: Simplify right side
    418,085.19x = 131,034,986,762.99
  5. Step 5: Solve for x
    x = 131,034,986,762.99/418,085.19
  6. Step 6: Final answer
    x = 313,416.95

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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.