Home / 886,535.28-1,329,918-406,647.36

Finding the Fourth Proportional to 886,535.28, 1,329,918 and 406,647.36

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Solution

The fourth proportional to 886,535.28, 1,329,918 and 406,647.36 is: 610,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,535.28 : 1,329,918 = 406,647.36 : x
  2. Step 2: Convert to fraction form
    886,535.28/1,329,918 = 406,647.36/x
  3. Step 3: Cross multiply
    886,535.28x = 1,329,918 × 406,647.36
  4. Step 4: Simplify right side
    886,535.28x = 540,807,643,716.48
  5. Step 5: Solve for x
    x = 540,807,643,716.48/886,535.28
  6. Step 6: Final answer
    x = 610,023.83

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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.