Home / 1,521,616.64-2,099,805.32-842,538.56

Finding the Fourth Proportional to 1,521,616.64, 2,099,805.32 and 842,538.56

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Solution

The fourth proportional to 1,521,616.64, 2,099,805.32 and 842,538.56 is: 1,162,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,616.64 : 2,099,805.32 = 842,538.56 : x
  2. Step 2: Convert to fraction form
    1,521,616.64/2,099,805.32 = 842,538.56/x
  3. Step 3: Cross multiply
    1,521,616.64x = 2,099,805.32 × 842,538.56
  4. Step 4: Simplify right side
    1,521,616.64x = 1,769,166,950,593.14
  5. Step 5: Solve for x
    x = 1,769,166,950,593.14/1,521,616.64
  6. Step 6: Final answer
    x = 1,162,689.01

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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.