Home / 886,536.28-1,329,919.50-406,648.36

Finding the Fourth Proportional to 886,536.28, 1,329,919.50 and 406,648.36

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Solution

The fourth proportional to 886,536.28, 1,329,919.50 and 406,648.36 is: 610,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,536.28 : 1,329,919.50 = 406,648.36 : x
  2. Step 2: Convert to fraction form
    886,536.28/1,329,919.50 = 406,648.36/x
  3. Step 3: Cross multiply
    886,536.28x = 1,329,919.50 × 406,648.36
  4. Step 4: Simplify right side
    886,536.28x = 540,809,583,607.02
  5. Step 5: Solve for x
    x = 540,809,583,607.02/886,536.28
  6. Step 6: Final answer
    x = 610,025.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.