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Finding the Fourth Proportional to 1,787,959, 2,467,383.42 and 983,143

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Solution

The fourth proportional to 1,787,959, 2,467,383.42 and 983,143 is: 1,356,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,959 : 2,467,383.42 = 983,143 : x
  2. Step 2: Convert to fraction form
    1,787,959/2,467,383.42 = 983,143/x
  3. Step 3: Cross multiply
    1,787,959x = 2,467,383.42 × 983,143
  4. Step 4: Simplify right side
    1,787,959x = 2,425,790,737,689.06
  5. Step 5: Solve for x
    x = 2,425,790,737,689.06/1,787,959
  6. Step 6: Final answer
    x = 1,356,737.34

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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.