Home / 1,015,695.36-1,401,650.46-556,836.12

Finding the Fourth Proportional to 1,015,695.36, 1,401,650.46 and 556,836.12

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Solution

The fourth proportional to 1,015,695.36, 1,401,650.46 and 556,836.12 is: 768,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,695.36 : 1,401,650.46 = 556,836.12 : x
  2. Step 2: Convert to fraction form
    1,015,695.36/1,401,650.46 = 556,836.12/x
  3. Step 3: Cross multiply
    1,015,695.36x = 1,401,650.46 × 556,836.12
  4. Step 4: Simplify right side
    1,015,695.36x = 780,489,603,742.62
  5. Step 5: Solve for x
    x = 780,489,603,742.62/1,015,695.36
  6. Step 6: Final answer
    x = 768,428.84

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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.