Home / 1,131,912.18-1,562,153.40-648,541.44

Finding the Fourth Proportional to 1,131,912.18, 1,562,153.40 and 648,541.44

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Solution

The fourth proportional to 1,131,912.18, 1,562,153.40 and 648,541.44 is: 895,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,912.18 : 1,562,153.40 = 648,541.44 : x
  2. Step 2: Convert to fraction form
    1,131,912.18/1,562,153.40 = 648,541.44/x
  3. Step 3: Cross multiply
    1,131,912.18x = 1,562,153.40 × 648,541.44
  4. Step 4: Simplify right side
    1,131,912.18x = 1,013,121,215,536.90
  5. Step 5: Solve for x
    x = 1,013,121,215,536.90/1,131,912.18
  6. Step 6: Final answer
    x = 895,052.84

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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.