Home / 910,418.57-1,256,190.08-523,159.19

Finding the Fourth Proportional to 910,418.57, 1,256,190.08 and 523,159.19

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Solution

The fourth proportional to 910,418.57, 1,256,190.08 and 523,159.19 is: 721,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,418.57 : 1,256,190.08 = 523,159.19 : x
  2. Step 2: Convert to fraction form
    910,418.57/1,256,190.08 = 523,159.19/x
  3. Step 3: Cross multiply
    910,418.57x = 1,256,190.08 × 523,159.19
  4. Step 4: Simplify right side
    910,418.57x = 657,187,375,842.09
  5. Step 5: Solve for x
    x = 657,187,375,842.09/910,418.57
  6. Step 6: Final answer
    x = 721,851.91

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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.