Home / 356,637.20-492,317.60-227,744.53

Finding the Fourth Proportional to 356,637.20, 492,317.60 and 227,744.53

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Solution

The fourth proportional to 356,637.20, 492,317.60 and 227,744.53 is: 314,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,637.20 : 492,317.60 = 227,744.53 : x
  2. Step 2: Convert to fraction form
    356,637.20/492,317.60 = 227,744.53/x
  3. Step 3: Cross multiply
    356,637.20x = 492,317.60 × 227,744.53
  4. Step 4: Simplify right side
    356,637.20x = 112,122,638,053.21
  5. Step 5: Solve for x
    x = 112,122,638,053.21/356,637.20
  6. Step 6: Final answer
    x = 314,388.51

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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.