Home / 772,082.52-1,065,446.43-427,950.47

Finding the Fourth Proportional to 772,082.52, 1,065,446.43 and 427,950.47

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Solution

The fourth proportional to 772,082.52, 1,065,446.43 and 427,950.47 is: 590,556.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,082.52 : 1,065,446.43 = 427,950.47 : x
  2. Step 2: Convert to fraction form
    772,082.52/1,065,446.43 = 427,950.47/x
  3. Step 3: Cross multiply
    772,082.52x = 1,065,446.43 × 427,950.47
  4. Step 4: Simplify right side
    772,082.52x = 455,958,295,151.09
  5. Step 5: Solve for x
    x = 455,958,295,151.09/772,082.52
  6. Step 6: Final answer
    x = 590,556.43

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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.