Home / 1,238,255.58-1,709,037.82-803,212.14

Finding the Fourth Proportional to 1,238,255.58, 1,709,037.82 and 803,212.14

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Solution

The fourth proportional to 1,238,255.58, 1,709,037.82 and 803,212.14 is: 1,108,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,255.58 : 1,709,037.82 = 803,212.14 : x
  2. Step 2: Convert to fraction form
    1,238,255.58/1,709,037.82 = 803,212.14/x
  3. Step 3: Cross multiply
    1,238,255.58x = 1,709,037.82 × 803,212.14
  4. Step 4: Simplify right side
    1,238,255.58x = 1,372,719,924,743.13
  5. Step 5: Solve for x
    x = 1,372,719,924,743.13/1,238,255.58
  6. Step 6: Final answer
    x = 1,108,591.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.