Home / 693,151.00-1,039,844.72-309,039.22

Finding the Fourth Proportional to 693,151.00, 1,039,844.72 and 309,039.22

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Solution

The fourth proportional to 693,151.00, 1,039,844.72 and 309,039.22 is: 463,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,151.00 : 1,039,844.72 = 309,039.22 : x
  2. Step 2: Convert to fraction form
    693,151.00/1,039,844.72 = 309,039.22/x
  3. Step 3: Cross multiply
    693,151.00x = 1,039,844.72 × 309,039.22
  4. Step 4: Simplify right side
    693,151.00x = 321,352,803,262.32
  5. Step 5: Solve for x
    x = 321,352,803,262.32/693,151.00
  6. Step 6: Final answer
    x = 463,611.54

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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.