Home / 692,193.20-1,038,095.40-219,023.60

Finding the Fourth Proportional to 692,193.20, 1,038,095.40 and 219,023.60

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Solution

The fourth proportional to 692,193.20, 1,038,095.40 and 219,023.60 is: 328,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,193.20 : 1,038,095.40 = 219,023.60 : x
  2. Step 2: Convert to fraction form
    692,193.20/1,038,095.40 = 219,023.60/x
  3. Step 3: Cross multiply
    692,193.20x = 1,038,095.40 × 219,023.60
  4. Step 4: Simplify right side
    692,193.20x = 227,367,391,651.44
  5. Step 5: Solve for x
    x = 227,367,391,651.44/692,193.20
  6. Step 6: Final answer
    x = 328,473.89

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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.