Home / 793,261.85-1,190,365.54-287,862.26

Finding the Fourth Proportional to 793,261.85, 1,190,365.54 and 287,862.26

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Solution

The fourth proportional to 793,261.85, 1,190,365.54 and 287,862.26 is: 431,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,261.85 : 1,190,365.54 = 287,862.26 : x
  2. Step 2: Convert to fraction form
    793,261.85/1,190,365.54 = 287,862.26/x
  3. Step 3: Cross multiply
    793,261.85x = 1,190,365.54 × 287,862.26
  4. Step 4: Simplify right side
    793,261.85x = 342,661,307,899.04
  5. Step 5: Solve for x
    x = 342,661,307,899.04/793,261.85
  6. Step 6: Final answer
    x = 431,964.94

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Double scale
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Similar ratio
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1.5x scale

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.