Home / 348,417.13-480,881.27-227,348.23

Finding the Fourth Proportional to 348,417.13, 480,881.27 and 227,348.23

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Solution

The fourth proportional to 348,417.13, 480,881.27 and 227,348.23 is: 313,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,417.13 : 480,881.27 = 227,348.23 : x
  2. Step 2: Convert to fraction form
    348,417.13/480,881.27 = 227,348.23/x
  3. Step 3: Cross multiply
    348,417.13x = 480,881.27 × 227,348.23
  4. Step 4: Simplify right side
    348,417.13x = 109,327,504,940.82
  5. Step 5: Solve for x
    x = 109,327,504,940.82/348,417.13
  6. Step 6: Final answer
    x = 313,783.38

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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.