Home / 816,110.84-1,126,161.24-453,511.76

Finding the Fourth Proportional to 816,110.84, 1,126,161.24 and 453,511.76

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Solution

The fourth proportional to 816,110.84, 1,126,161.24 and 453,511.76 is: 625,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,110.84 : 1,126,161.24 = 453,511.76 : x
  2. Step 2: Convert to fraction form
    816,110.84/1,126,161.24 = 453,511.76/x
  3. Step 3: Cross multiply
    816,110.84x = 1,126,161.24 × 453,511.76
  4. Step 4: Simplify right side
    816,110.84x = 510,727,365,996.18
  5. Step 5: Solve for x
    x = 510,727,365,996.18/816,110.84
  6. Step 6: Final answer
    x = 625,806.37

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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.