Home / 704,006.20-1,054,166.10-515,999.80

Finding the Fourth Proportional to 704,006.20, 1,054,166.10 and 515,999.80

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Solution

The fourth proportional to 704,006.20, 1,054,166.10 and 515,999.80 is: 772,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,006.20 : 1,054,166.10 = 515,999.80 : x
  2. Step 2: Convert to fraction form
    704,006.20/1,054,166.10 = 515,999.80/x
  3. Step 3: Cross multiply
    704,006.20x = 1,054,166.10 × 515,999.80
  4. Step 4: Simplify right side
    704,006.20x = 543,949,496,766.78
  5. Step 5: Solve for x
    x = 543,949,496,766.78/704,006.20
  6. Step 6: Final answer
    x = 772,648.73

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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.