Home / 1,161,616.64-1,601,815.68-919,512.32

Finding the Fourth Proportional to 1,161,616.64, 1,601,815.68 and 919,512.32

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Solution

The fourth proportional to 1,161,616.64, 1,601,815.68 and 919,512.32 is: 1,267,965.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,616.64 : 1,601,815.68 = 919,512.32 : x
  2. Step 2: Convert to fraction form
    1,161,616.64/1,601,815.68 = 919,512.32/x
  3. Step 3: Cross multiply
    1,161,616.64x = 1,601,815.68 × 919,512.32
  4. Step 4: Simplify right side
    1,161,616.64x = 1,472,889,252,129.18
  5. Step 5: Solve for x
    x = 1,472,889,252,129.18/1,161,616.64
  6. Step 6: Final answer
    x = 1,267,965.01

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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.