Home / 1,162,039.38-1,743,159.48-320,591.12

Finding the Fourth Proportional to 1,162,039.38, 1,743,159.48 and 320,591.12

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Solution

The fourth proportional to 1,162,039.38, 1,743,159.48 and 320,591.12 is: 480,914.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,039.38 : 1,743,159.48 = 320,591.12 : x
  2. Step 2: Convert to fraction form
    1,162,039.38/1,743,159.48 = 320,591.12/x
  3. Step 3: Cross multiply
    1,162,039.38x = 1,743,159.48 × 320,591.12
  4. Step 4: Simplify right side
    1,162,039.38x = 558,841,450,031.82
  5. Step 5: Solve for x
    x = 558,841,450,031.82/1,162,039.38
  6. Step 6: Final answer
    x = 480,914.38

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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.