Home / 1,465,969.62-2,023,012.68-821,387.82

Finding the Fourth Proportional to 1,465,969.62, 2,023,012.68 and 821,387.82

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Solution

The fourth proportional to 1,465,969.62, 2,023,012.68 and 821,387.82 is: 1,133,500.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,969.62 : 2,023,012.68 = 821,387.82 : x
  2. Step 2: Convert to fraction form
    1,465,969.62/2,023,012.68 = 821,387.82/x
  3. Step 3: Cross multiply
    1,465,969.62x = 2,023,012.68 × 821,387.82
  4. Step 4: Simplify right side
    1,465,969.62x = 1,661,677,975,057.56
  5. Step 5: Solve for x
    x = 1,661,677,975,057.56/1,465,969.62
  6. Step 6: Final answer
    x = 1,133,500.96

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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.