Home / 822,551.76-1,135,074.33-455,006.97

Finding the Fourth Proportional to 822,551.76, 1,135,074.33 and 455,006.97

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Solution

The fourth proportional to 822,551.76, 1,135,074.33 and 455,006.97 is: 627,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,551.76 : 1,135,074.33 = 455,006.97 : x
  2. Step 2: Convert to fraction form
    822,551.76/1,135,074.33 = 455,006.97/x
  3. Step 3: Cross multiply
    822,551.76x = 1,135,074.33 × 455,006.97
  4. Step 4: Simplify right side
    822,551.76x = 516,466,731,618.08
  5. Step 5: Solve for x
    x = 516,466,731,618.08/822,551.76
  6. Step 6: Final answer
    x = 627,883.57

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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.