Home / 986,611.38-1,361,523.70-533,902.38

Finding the Fourth Proportional to 986,611.38, 1,361,523.70 and 533,902.38

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Solution

The fourth proportional to 986,611.38, 1,361,523.70 and 533,902.38 is: 736,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,611.38 : 1,361,523.70 = 533,902.38 : x
  2. Step 2: Convert to fraction form
    986,611.38/1,361,523.70 = 533,902.38/x
  3. Step 3: Cross multiply
    986,611.38x = 1,361,523.70 × 533,902.38
  4. Step 4: Simplify right side
    986,611.38x = 726,920,743,856.41
  5. Step 5: Solve for x
    x = 726,920,743,856.41/986,611.38
  6. Step 6: Final answer
    x = 736,785.28

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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.