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Finding the Fourth Proportional to 1,805,892.56, 2,492,383.56 and 1,041,932.24

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Solution

The fourth proportional to 1,805,892.56, 2,492,383.56 and 1,041,932.24 is: 1,438,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,892.56 : 2,492,383.56 = 1,041,932.24 : x
  2. Step 2: Convert to fraction form
    1,805,892.56/2,492,383.56 = 1,041,932.24/x
  3. Step 3: Cross multiply
    1,805,892.56x = 2,492,383.56 × 1,041,932.24
  4. Step 4: Simplify right side
    1,805,892.56x = 2,596,894,785,609.97
  5. Step 5: Solve for x
    x = 2,596,894,785,609.97/1,805,892.56
  6. Step 6: Final answer
    x = 1,438,011.79

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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.