Home / 1,015,818.38-1,401,819.94-556,958.44

Finding the Fourth Proportional to 1,015,818.38, 1,401,819.94 and 556,958.44

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Solution

The fourth proportional to 1,015,818.38, 1,401,819.94 and 556,958.44 is: 768,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,818.38 : 1,401,819.94 = 556,958.44 : x
  2. Step 2: Convert to fraction form
    1,015,818.38/1,401,819.94 = 556,958.44/x
  3. Step 3: Cross multiply
    1,015,818.38x = 1,401,819.94 × 556,958.44
  4. Step 4: Simplify right side
    1,015,818.38x = 780,755,442,046.35
  5. Step 5: Solve for x
    x = 780,755,442,046.35/1,015,818.38
  6. Step 6: Final answer
    x = 768,597.48

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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.