Home / 692,649.30-1,036,610.77-580,456.20

Finding the Fourth Proportional to 692,649.30, 1,036,610.77 and 580,456.20

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Solution

The fourth proportional to 692,649.30, 1,036,610.77 and 580,456.20 is: 868,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,649.30 : 1,036,610.77 = 580,456.20 : x
  2. Step 2: Convert to fraction form
    692,649.30/1,036,610.77 = 580,456.20/x
  3. Step 3: Cross multiply
    692,649.30x = 1,036,610.77 × 580,456.20
  4. Step 4: Simplify right side
    692,649.30x = 601,707,148,433.27
  5. Step 5: Solve for x
    x = 601,707,148,433.27/692,649.30
  6. Step 6: Final answer
    x = 868,703.90

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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.