Home / 692,397.98-1,038,493.07-219,021.83

Finding the Fourth Proportional to 692,397.98, 1,038,493.07 and 219,021.83

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Solution

The fourth proportional to 692,397.98, 1,038,493.07 and 219,021.83 is: 328,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,397.98 : 1,038,493.07 = 219,021.83 : x
  2. Step 2: Convert to fraction form
    692,397.98/1,038,493.07 = 219,021.83/x
  3. Step 3: Cross multiply
    692,397.98x = 1,038,493.07 × 219,021.83
  4. Step 4: Simplify right side
    692,397.98x = 227,452,652,633.72
  5. Step 5: Solve for x
    x = 227,452,652,633.72/692,397.98
  6. Step 6: Final answer
    x = 328,499.88

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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.