Home / 853,060.82-1,177,224.37-465,881.63

Finding the Fourth Proportional to 853,060.82, 1,177,224.37 and 465,881.63

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Solution

The fourth proportional to 853,060.82, 1,177,224.37 and 465,881.63 is: 642,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,060.82 : 1,177,224.37 = 465,881.63 : x
  2. Step 2: Convert to fraction form
    853,060.82/1,177,224.37 = 465,881.63/x
  3. Step 3: Cross multiply
    853,060.82x = 1,177,224.37 × 465,881.63
  4. Step 4: Simplify right side
    853,060.82x = 548,447,201,320.50
  5. Step 5: Solve for x
    x = 548,447,201,320.50/853,060.82
  6. Step 6: Final answer
    x = 642,916.88

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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.