Home / 1,242,108.77-1,863,557.01-443,372.63

Finding the Fourth Proportional to 1,242,108.77, 1,863,557.01 and 443,372.63

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Solution

The fourth proportional to 1,242,108.77, 1,863,557.01 and 443,372.63 is: 665,199.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,108.77 : 1,863,557.01 = 443,372.63 : x
  2. Step 2: Convert to fraction form
    1,242,108.77/1,863,557.01 = 443,372.63/x
  3. Step 3: Cross multiply
    1,242,108.77x = 1,863,557.01 × 443,372.63
  4. Step 4: Simplify right side
    1,242,108.77x = 826,250,163,360.85
  5. Step 5: Solve for x
    x = 826,250,163,360.85/1,242,108.77
  6. Step 6: Final answer
    x = 665,199.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.