Home / 912,379.44-1,258,994.82-504,425.43

Finding the Fourth Proportional to 912,379.44, 1,258,994.82 and 504,425.43

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Solution

The fourth proportional to 912,379.44, 1,258,994.82 and 504,425.43 is: 696,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,379.44 : 1,258,994.82 = 504,425.43 : x
  2. Step 2: Convert to fraction form
    912,379.44/1,258,994.82 = 504,425.43/x
  3. Step 3: Cross multiply
    912,379.44x = 1,258,994.82 × 504,425.43
  4. Step 4: Simplify right side
    912,379.44x = 635,069,003,446.27
  5. Step 5: Solve for x
    x = 635,069,003,446.27/912,379.44
  6. Step 6: Final answer
    x = 696,057.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.