Home / 516,936.66-713,405.25-290,596.74

Finding the Fourth Proportional to 516,936.66, 713,405.25 and 290,596.74

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Solution

The fourth proportional to 516,936.66, 713,405.25 and 290,596.74 is: 401,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,936.66 : 713,405.25 = 290,596.74 : x
  2. Step 2: Convert to fraction form
    516,936.66/713,405.25 = 290,596.74/x
  3. Step 3: Cross multiply
    516,936.66x = 713,405.25 × 290,596.74
  4. Step 4: Simplify right side
    516,936.66x = 207,313,239,948.89
  5. Step 5: Solve for x
    x = 207,313,239,948.89/516,936.66
  6. Step 6: Final answer
    x = 401,041.86

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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.