Home / 842,921.62-1,163,238-475,403.56

Finding the Fourth Proportional to 842,921.62, 1,163,238 and 475,403.56

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Solution

The fourth proportional to 842,921.62, 1,163,238 and 475,403.56 is: 656,060.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,921.62 : 1,163,238 = 475,403.56 : x
  2. Step 2: Convert to fraction form
    842,921.62/1,163,238 = 475,403.56/x
  3. Step 3: Cross multiply
    842,921.62x = 1,163,238 × 475,403.56
  4. Step 4: Simplify right side
    842,921.62x = 553,007,486,327.28
  5. Step 5: Solve for x
    x = 553,007,486,327.28/842,921.62
  6. Step 6: Final answer
    x = 656,060.39

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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.