Home / 1,015,796.78-1,401,815.34-556,953.26

Finding the Fourth Proportional to 1,015,796.78, 1,401,815.34 and 556,953.26

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Solution

The fourth proportional to 1,015,796.78, 1,401,815.34 and 556,953.26 is: 768,604.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,796.78 : 1,401,815.34 = 556,953.26 : x
  2. Step 2: Convert to fraction form
    1,015,796.78/1,401,815.34 = 556,953.26/x
  3. Step 3: Cross multiply
    1,015,796.78x = 1,401,815.34 × 556,953.26
  4. Step 4: Simplify right side
    1,015,796.78x = 780,745,623,531.01
  5. Step 5: Solve for x
    x = 780,745,623,531.01/1,015,796.78
  6. Step 6: Final answer
    x = 768,604.15

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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.