Home / 409,759.06-565,438.62-228,463.24

Finding the Fourth Proportional to 409,759.06, 565,438.62 and 228,463.24

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Solution

The fourth proportional to 409,759.06, 565,438.62 and 228,463.24 is: 315,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,759.06 : 565,438.62 = 228,463.24 : x
  2. Step 2: Convert to fraction form
    409,759.06/565,438.62 = 228,463.24/x
  3. Step 3: Cross multiply
    409,759.06x = 565,438.62 × 228,463.24
  4. Step 4: Simplify right side
    409,759.06x = 129,181,939,146.33
  5. Step 5: Solve for x
    x = 129,181,939,146.33/409,759.06
  6. Step 6: Final answer
    x = 315,263.17

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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.