Home / 986,704.20-1,361,655.90-533,995.16

Finding the Fourth Proportional to 986,704.20, 1,361,655.90 and 533,995.16

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Solution

The fourth proportional to 986,704.20, 1,361,655.90 and 533,995.16 is: 736,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,704.20 : 1,361,655.90 = 533,995.16 : x
  2. Step 2: Convert to fraction form
    986,704.20/1,361,655.90 = 533,995.16/x
  3. Step 3: Cross multiply
    986,704.20x = 1,361,655.90 × 533,995.16
  4. Step 4: Simplify right side
    986,704.20x = 727,117,660,185.44
  5. Step 5: Solve for x
    x = 727,117,660,185.44/986,704.20
  6. Step 6: Final answer
    x = 736,915.54

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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.