Home / 417,772.96-576,528.40-236,519.87

Finding the Fourth Proportional to 417,772.96, 576,528.40 and 236,519.87

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Solution

The fourth proportional to 417,772.96, 576,528.40 and 236,519.87 is: 326,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,772.96 : 576,528.40 = 236,519.87 : x
  2. Step 2: Convert to fraction form
    417,772.96/576,528.40 = 236,519.87/x
  3. Step 3: Cross multiply
    417,772.96x = 576,528.40 × 236,519.87
  4. Step 4: Simplify right side
    417,772.96x = 136,360,419,632.32
  5. Step 5: Solve for x
    x = 136,360,419,632.32/417,772.96
  6. Step 6: Final answer
    x = 326,398.39

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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.