Home / 1,263,801.88-1,895,702.82-422,353.63

Finding the Fourth Proportional to 1,263,801.88, 1,895,702.82 and 422,353.63

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Solution

The fourth proportional to 1,263,801.88, 1,895,702.82 and 422,353.63 is: 633,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,801.88 : 1,895,702.82 = 422,353.63 : x
  2. Step 2: Convert to fraction form
    1,263,801.88/1,895,702.82 = 422,353.63/x
  3. Step 3: Cross multiply
    1,263,801.88x = 1,895,702.82 × 422,353.63
  4. Step 4: Simplify right side
    1,263,801.88x = 800,656,967,428.24
  5. Step 5: Solve for x
    x = 800,656,967,428.24/1,263,801.88
  6. Step 6: Final answer
    x = 633,530.45

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Double scale
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Similar ratio
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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.