Home / 564,933.24-779,611.50-310,282.20

Finding the Fourth Proportional to 564,933.24, 779,611.50 and 310,282.20

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Solution

The fourth proportional to 564,933.24, 779,611.50 and 310,282.20 is: 428,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,933.24 : 779,611.50 = 310,282.20 : x
  2. Step 2: Convert to fraction form
    564,933.24/779,611.50 = 310,282.20/x
  3. Step 3: Cross multiply
    564,933.24x = 779,611.50 × 310,282.20
  4. Step 4: Simplify right side
    564,933.24x = 241,899,571,365.30
  5. Step 5: Solve for x
    x = 241,899,571,365.30/564,933.24
  6. Step 6: Final answer
    x = 428,191.43

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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.