Home / 1,667,962.82-2,500,996.34-656,536.80

Finding the Fourth Proportional to 1,667,962.82, 2,500,996.34 and 656,536.80

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Solution

The fourth proportional to 1,667,962.82, 2,500,996.34 and 656,536.80 is: 984,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,962.82 : 2,500,996.34 = 656,536.80 : x
  2. Step 2: Convert to fraction form
    1,667,962.82/2,500,996.34 = 656,536.80/x
  3. Step 3: Cross multiply
    1,667,962.82x = 2,500,996.34 × 656,536.80
  4. Step 4: Simplify right side
    1,667,962.82x = 1,641,996,133,875.31
  5. Step 5: Solve for x
    x = 1,641,996,133,875.31/1,667,962.82
  6. Step 6: Final answer
    x = 984,432.10

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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.