Home / 851,791.55-1,175,467.55-469,817.42

Finding the Fourth Proportional to 851,791.55, 1,175,467.55 and 469,817.42

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Solution

The fourth proportional to 851,791.55, 1,175,467.55 and 469,817.42 is: 648,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,791.55 : 1,175,467.55 = 469,817.42 : x
  2. Step 2: Convert to fraction form
    851,791.55/1,175,467.55 = 469,817.42/x
  3. Step 3: Cross multiply
    851,791.55x = 1,175,467.55 × 469,817.42
  4. Step 4: Simplify right side
    851,791.55x = 552,255,123,408.30
  5. Step 5: Solve for x
    x = 552,255,123,408.30/851,791.55
  6. Step 6: Final answer
    x = 648,345.39

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Double scale
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1.5x scale

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.