Home / 986,157.72-1,360,896.66-533,447.64

Finding the Fourth Proportional to 986,157.72, 1,360,896.66 and 533,447.64

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Solution

The fourth proportional to 986,157.72, 1,360,896.66 and 533,447.64 is: 736,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,157.72 : 1,360,896.66 = 533,447.64 : x
  2. Step 2: Convert to fraction form
    986,157.72/1,360,896.66 = 533,447.64/x
  3. Step 3: Cross multiply
    986,157.72x = 1,360,896.66 × 533,447.64
  4. Step 4: Simplify right side
    986,157.72x = 725,967,111,560.88
  5. Step 5: Solve for x
    x = 725,967,111,560.88/986,157.72
  6. Step 6: Final answer
    x = 736,157.21

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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.