Home / 427,543.16-590,001.77-236,556.56

Finding the Fourth Proportional to 427,543.16, 590,001.77 and 236,556.56

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Solution

The fourth proportional to 427,543.16, 590,001.77 and 236,556.56 is: 326,443.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,543.16 : 590,001.77 = 236,556.56 : x
  2. Step 2: Convert to fraction form
    427,543.16/590,001.77 = 236,556.56/x
  3. Step 3: Cross multiply
    427,543.16x = 590,001.77 × 236,556.56
  4. Step 4: Simplify right side
    427,543.16x = 139,568,791,171.51
  5. Step 5: Solve for x
    x = 139,568,791,171.51/427,543.16
  6. Step 6: Final answer
    x = 326,443.75

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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.