Home / 825,542.94-1,238,372.01-326,905.50

Finding the Fourth Proportional to 825,542.94, 1,238,372.01 and 326,905.50

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Solution

The fourth proportional to 825,542.94, 1,238,372.01 and 326,905.50 is: 490,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,542.94 : 1,238,372.01 = 326,905.50 : x
  2. Step 2: Convert to fraction form
    825,542.94/1,238,372.01 = 326,905.50/x
  3. Step 3: Cross multiply
    825,542.94x = 1,238,372.01 × 326,905.50
  4. Step 4: Simplify right side
    825,542.94x = 404,830,621,115.06
  5. Step 5: Solve for x
    x = 404,830,621,115.06/825,542.94
  6. Step 6: Final answer
    x = 490,381.06

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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.