Home / 1,015,819.38-1,401,821.32-556,959.44

Finding the Fourth Proportional to 1,015,819.38, 1,401,821.32 and 556,959.44

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Solution

The fourth proportional to 1,015,819.38, 1,401,821.32 and 556,959.44 is: 768,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,819.38 : 1,401,821.32 = 556,959.44 : x
  2. Step 2: Convert to fraction form
    1,015,819.38/1,401,821.32 = 556,959.44/x
  3. Step 3: Cross multiply
    1,015,819.38x = 1,401,821.32 × 556,959.44
  4. Step 4: Simplify right side
    1,015,819.38x = 780,757,617,367.26
  5. Step 5: Solve for x
    x = 780,757,617,367.26/1,015,819.38
  6. Step 6: Final answer
    x = 768,598.86

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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.