Home / 857,195.76-1,182,958.96-475,199.76

Finding the Fourth Proportional to 857,195.76, 1,182,958.96 and 475,199.76

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Solution

The fourth proportional to 857,195.76, 1,182,958.96 and 475,199.76 is: 655,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,195.76 : 1,182,958.96 = 475,199.76 : x
  2. Step 2: Convert to fraction form
    857,195.76/1,182,958.96 = 475,199.76/x
  3. Step 3: Cross multiply
    857,195.76x = 1,182,958.96 × 475,199.76
  4. Step 4: Simplify right side
    857,195.76x = 562,141,813,881.85
  5. Step 5: Solve for x
    x = 562,141,813,881.85/857,195.76
  6. Step 6: Final answer
    x = 655,791.64

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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.