Home / 1,238,299.79-1,857,451.70-339,753.83

Finding the Fourth Proportional to 1,238,299.79, 1,857,451.70 and 339,753.83

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Solution

The fourth proportional to 1,238,299.79, 1,857,451.70 and 339,753.83 is: 509,631.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,299.79 : 1,857,451.70 = 339,753.83 : x
  2. Step 2: Convert to fraction form
    1,238,299.79/1,857,451.70 = 339,753.83/x
  3. Step 3: Cross multiply
    1,238,299.79x = 1,857,451.70 × 339,753.83
  4. Step 4: Simplify right side
    1,238,299.79x = 631,076,320,677.14
  5. Step 5: Solve for x
    x = 631,076,320,677.14/1,238,299.79
  6. Step 6: Final answer
    x = 509,631.29

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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.