Home / 923,417.03-1,385,563.89-639,544.43

Finding the Fourth Proportional to 923,417.03, 1,385,563.89 and 639,544.43

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Solution

The fourth proportional to 923,417.03, 1,385,563.89 and 639,544.43 is: 959,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,417.03 : 1,385,563.89 = 639,544.43 : x
  2. Step 2: Convert to fraction form
    923,417.03/1,385,563.89 = 639,544.43/x
  3. Step 3: Cross multiply
    923,417.03x = 1,385,563.89 × 639,544.43
  4. Step 4: Simplify right side
    923,417.03x = 886,129,661,330.81
  5. Step 5: Solve for x
    x = 886,129,661,330.81/923,417.03
  6. Step 6: Final answer
    x = 959,620.23

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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.