Home / 838,483.36-1,257,770.94-239,397.64

Finding the Fourth Proportional to 838,483.36, 1,257,770.94 and 239,397.64

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Solution

The fourth proportional to 838,483.36, 1,257,770.94 and 239,397.64 is: 359,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,483.36 : 1,257,770.94 = 239,397.64 : x
  2. Step 2: Convert to fraction form
    838,483.36/1,257,770.94 = 239,397.64/x
  3. Step 3: Cross multiply
    838,483.36x = 1,257,770.94 × 239,397.64
  4. Step 4: Simplify right side
    838,483.36x = 301,107,394,696.58
  5. Step 5: Solve for x
    x = 301,107,394,696.58/838,483.36
  6. Step 6: Final answer
    x = 359,109.57

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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.