Home / 629,537.68-943,619.28-309,909.52

Finding the Fourth Proportional to 629,537.68, 943,619.28 and 309,909.52

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Solution

The fourth proportional to 629,537.68, 943,619.28 and 309,909.52 is: 464,525.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,537.68 : 943,619.28 = 309,909.52 : x
  2. Step 2: Convert to fraction form
    629,537.68/943,619.28 = 309,909.52/x
  3. Step 3: Cross multiply
    629,537.68x = 943,619.28 × 309,909.52
  4. Step 4: Simplify right side
    629,537.68x = 292,436,598,127.55
  5. Step 5: Solve for x
    x = 292,436,598,127.55/629,537.68
  6. Step 6: Final answer
    x = 464,525.96

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1.5x scale

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.