Home / 1,098,899.22-1,515,997.83-663,073.50

Finding the Fourth Proportional to 1,098,899.22, 1,515,997.83 and 663,073.50

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Solution

The fourth proportional to 1,098,899.22, 1,515,997.83 and 663,073.50 is: 914,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,899.22 : 1,515,997.83 = 663,073.50 : x
  2. Step 2: Convert to fraction form
    1,098,899.22/1,515,997.83 = 663,073.50/x
  3. Step 3: Cross multiply
    1,098,899.22x = 1,515,997.83 × 663,073.50
  4. Step 4: Simplify right side
    1,098,899.22x = 1,005,217,987,130.51
  5. Step 5: Solve for x
    x = 1,005,217,987,130.51/1,098,899.22
  6. Step 6: Final answer
    x = 914,749.93

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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.