Home / 1,465,357.36-2,022,169.32-820,775.92

Finding the Fourth Proportional to 1,465,357.36, 2,022,169.32 and 820,775.92

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Solution

The fourth proportional to 1,465,357.36, 2,022,169.32 and 820,775.92 is: 1,132,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,357.36 : 2,022,169.32 = 820,775.92 : x
  2. Step 2: Convert to fraction form
    1,465,357.36/2,022,169.32 = 820,775.92/x
  3. Step 3: Cross multiply
    1,465,357.36x = 2,022,169.32 × 820,775.92
  4. Step 4: Simplify right side
    1,465,357.36x = 1,659,747,884,018.77
  5. Step 5: Solve for x
    x = 1,659,747,884,018.77/1,465,357.36
  6. Step 6: Final answer
    x = 1,132,657.42

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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.