Home / 928,686.82-1,393,168.63-329,597.81

Finding the Fourth Proportional to 928,686.82, 1,393,168.63 and 329,597.81

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Solution

The fourth proportional to 928,686.82, 1,393,168.63 and 329,597.81 is: 494,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,686.82 : 1,393,168.63 = 329,597.81 : x
  2. Step 2: Convert to fraction form
    928,686.82/1,393,168.63 = 329,597.81/x
  3. Step 3: Cross multiply
    928,686.82x = 1,393,168.63 × 329,597.81
  4. Step 4: Simplify right side
    928,686.82x = 459,185,329,408.70
  5. Step 5: Solve for x
    x = 459,185,329,408.70/928,686.82
  6. Step 6: Final answer
    x = 494,445.83

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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.