Home / 433,623.46-650,431.55-338,933.28

Finding the Fourth Proportional to 433,623.46, 650,431.55 and 338,933.28

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Solution

The fourth proportional to 433,623.46, 650,431.55 and 338,933.28 is: 508,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,623.46 : 650,431.55 = 338,933.28 : x
  2. Step 2: Convert to fraction form
    433,623.46/650,431.55 = 338,933.28/x
  3. Step 3: Cross multiply
    433,623.46x = 650,431.55 × 338,933.28
  4. Step 4: Simplify right side
    433,623.46x = 220,452,898,656.98
  5. Step 5: Solve for x
    x = 220,452,898,656.98/433,623.46
  6. Step 6: Final answer
    x = 508,397.07

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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.