Home / 1,689,956.14-2,534,936.10-427,783.78

Finding the Fourth Proportional to 1,689,956.14, 2,534,936.10 and 427,783.78

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Solution

The fourth proportional to 1,689,956.14, 2,534,936.10 and 427,783.78 is: 641,676.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,956.14 : 2,534,936.10 = 427,783.78 : x
  2. Step 2: Convert to fraction form
    1,689,956.14/2,534,936.10 = 427,783.78/x
  3. Step 3: Cross multiply
    1,689,956.14x = 2,534,936.10 × 427,783.78
  4. Step 4: Simplify right side
    1,689,956.14x = 1,084,404,546,916.46
  5. Step 5: Solve for x
    x = 1,084,404,546,916.46/1,689,956.14
  6. Step 6: Final answer
    x = 641,676.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.