Home / 712,611.44-983,402.27-385,923.41

Finding the Fourth Proportional to 712,611.44, 983,402.27 and 385,923.41

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Solution

The fourth proportional to 712,611.44, 983,402.27 and 385,923.41 is: 532,573.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,611.44 : 983,402.27 = 385,923.41 : x
  2. Step 2: Convert to fraction form
    712,611.44/983,402.27 = 385,923.41/x
  3. Step 3: Cross multiply
    712,611.44x = 983,402.27 × 385,923.41
  4. Step 4: Simplify right side
    712,611.44x = 379,517,952,523.13
  5. Step 5: Solve for x
    x = 379,517,952,523.13/712,611.44
  6. Step 6: Final answer
    x = 532,573.48

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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.