Home / 976,131.54-1,347,044.63-540,540.25

Finding the Fourth Proportional to 976,131.54, 1,347,044.63 and 540,540.25

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Solution

The fourth proportional to 976,131.54, 1,347,044.63 and 540,540.25 is: 745,936.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,131.54 : 1,347,044.63 = 540,540.25 : x
  2. Step 2: Convert to fraction form
    976,131.54/1,347,044.63 = 540,540.25/x
  3. Step 3: Cross multiply
    976,131.54x = 1,347,044.63 × 540,540.25
  4. Step 4: Simplify right side
    976,131.54x = 728,131,834,326.13
  5. Step 5: Solve for x
    x = 728,131,834,326.13/976,131.54
  6. Step 6: Final answer
    x = 745,936.19

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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.