Home / 744,696.16-1,027,691.22-405,164.68

Finding the Fourth Proportional to 744,696.16, 1,027,691.22 and 405,164.68

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Solution

The fourth proportional to 744,696.16, 1,027,691.22 and 405,164.68 is: 559,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,696.16 : 1,027,691.22 = 405,164.68 : x
  2. Step 2: Convert to fraction form
    744,696.16/1,027,691.22 = 405,164.68/x
  3. Step 3: Cross multiply
    744,696.16x = 1,027,691.22 × 405,164.68
  4. Step 4: Simplify right side
    744,696.16x = 416,384,184,290.11
  5. Step 5: Solve for x
    x = 416,384,184,290.11/744,696.16
  6. Step 6: Final answer
    x = 559,132.98

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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.