Home / 440,028.56-658,860.28-279,233.93

Finding the Fourth Proportional to 440,028.56, 658,860.28 and 279,233.93

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Solution

The fourth proportional to 440,028.56, 658,860.28 and 279,233.93 is: 418,100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,028.56 : 658,860.28 = 279,233.93 : x
  2. Step 2: Convert to fraction form
    440,028.56/658,860.28 = 279,233.93/x
  3. Step 3: Cross multiply
    440,028.56x = 658,860.28 × 279,233.93
  4. Step 4: Simplify right side
    440,028.56x = 183,976,146,254.37
  5. Step 5: Solve for x
    x = 183,976,146,254.37/440,028.56
  6. Step 6: Final answer
    x = 418,100.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.