Home / 910,615.27-1,256,755.38-757,383.12

Finding the Fourth Proportional to 910,615.27, 1,256,755.38 and 757,383.12

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Solution

The fourth proportional to 910,615.27, 1,256,755.38 and 757,383.12 is: 1,045,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,615.27 : 1,256,755.38 = 757,383.12 : x
  2. Step 2: Convert to fraction form
    910,615.27/1,256,755.38 = 757,383.12/x
  3. Step 3: Cross multiply
    910,615.27x = 1,256,755.38 × 757,383.12
  4. Step 4: Simplify right side
    910,615.27x = 951,845,310,781.19
  5. Step 5: Solve for x
    x = 951,845,310,781.19/910,615.27
  6. Step 6: Final answer
    x = 1,045,277.12

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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.