Home / 517,039.68-713,514.73-290,685.18

Finding the Fourth Proportional to 517,039.68, 713,514.73 and 290,685.18

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Solution

The fourth proportional to 517,039.68, 713,514.73 and 290,685.18 is: 401,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,039.68 : 713,514.73 = 290,685.18 : x
  2. Step 2: Convert to fraction form
    517,039.68/713,514.73 = 290,685.18/x
  3. Step 3: Cross multiply
    517,039.68x = 713,514.73 × 290,685.18
  4. Step 4: Simplify right side
    517,039.68x = 207,408,161,034.26
  5. Step 5: Solve for x
    x = 207,408,161,034.26/517,039.68
  6. Step 6: Final answer
    x = 401,145.54

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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.