Home / 643,267.26-964,588.91-193,904.37

Finding the Fourth Proportional to 643,267.26, 964,588.91 and 193,904.37

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Solution

The fourth proportional to 643,267.26, 964,588.91 and 193,904.37 is: 290,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,267.26 : 964,588.91 = 193,904.37 : x
  2. Step 2: Convert to fraction form
    643,267.26/964,588.91 = 193,904.37/x
  3. Step 3: Cross multiply
    643,267.26x = 964,588.91 × 193,904.37
  4. Step 4: Simplify right side
    643,267.26x = 187,038,003,933.02
  5. Step 5: Solve for x
    x = 187,038,003,933.02/643,267.26
  6. Step 6: Final answer
    x = 290,762.51

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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.