Home / 576,921.34-791,913.94-511,836.22

Finding the Fourth Proportional to 576,921.34, 791,913.94 and 511,836.22

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Solution

The fourth proportional to 576,921.34, 791,913.94 and 511,836.22 is: 702,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,921.34 : 791,913.94 = 511,836.22 : x
  2. Step 2: Convert to fraction form
    576,921.34/791,913.94 = 511,836.22/x
  3. Step 3: Cross multiply
    576,921.34x = 791,913.94 × 511,836.22
  4. Step 4: Simplify right side
    576,921.34x = 405,330,237,614.91
  5. Step 5: Solve for x
    x = 405,330,237,614.91/576,921.34
  6. Step 6: Final answer
    x = 702,574.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.