Home / 925,944.14-1,389,049.28-286,297.76

Finding the Fourth Proportional to 925,944.14, 1,389,049.28 and 286,297.76

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Solution

The fourth proportional to 925,944.14, 1,389,049.28 and 286,297.76 is: 429,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,944.14 : 1,389,049.28 = 286,297.76 : x
  2. Step 2: Convert to fraction form
    925,944.14/1,389,049.28 = 286,297.76/x
  3. Step 3: Cross multiply
    925,944.14x = 1,389,049.28 × 286,297.76
  4. Step 4: Simplify right side
    925,944.14x = 397,681,697,393.61
  5. Step 5: Solve for x
    x = 397,681,697,393.61/925,944.14
  6. Step 6: Final answer
    x = 429,487.78

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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.