Home / 993,166.80-1,489,750.20-519,997.20

Finding the Fourth Proportional to 993,166.80, 1,489,750.20 and 519,997.20

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Solution

The fourth proportional to 993,166.80, 1,489,750.20 and 519,997.20 is: 779,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,166.80 : 1,489,750.20 = 519,997.20 : x
  2. Step 2: Convert to fraction form
    993,166.80/1,489,750.20 = 519,997.20/x
  3. Step 3: Cross multiply
    993,166.80x = 1,489,750.20 × 519,997.20
  4. Step 4: Simplify right side
    993,166.80x = 774,665,932,699.44
  5. Step 5: Solve for x
    x = 774,665,932,699.44/993,166.80
  6. Step 6: Final answer
    x = 779,995.80

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1.5x scale

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.