Home / 934,005.20-1,398,934.20-809,589.20

Finding the Fourth Proportional to 934,005.20, 1,398,934.20 and 809,589.20

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Solution

The fourth proportional to 934,005.20, 1,398,934.20 and 809,589.20 is: 1,212,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,005.20 : 1,398,934.20 = 809,589.20 : x
  2. Step 2: Convert to fraction form
    934,005.20/1,398,934.20 = 809,589.20/x
  3. Step 3: Cross multiply
    934,005.20x = 1,398,934.20 × 809,589.20
  4. Step 4: Simplify right side
    934,005.20x = 1,132,562,019,830.64
  5. Step 5: Solve for x
    x = 1,132,562,019,830.64/934,005.20
  6. Step 6: Final answer
    x = 1,212,586.42

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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.