Home / 5,520,320.40-8,264,734.20-4,890,464.40

Finding the Fourth Proportional to 5,520,320.40, 8,264,734.20 and 4,890,464.40

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Solution

The fourth proportional to 5,520,320.40, 8,264,734.20 and 4,890,464.40 is: 7,321,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520,320.40 : 8,264,734.20 = 4,890,464.40 : x
  2. Step 2: Convert to fraction form
    5,520,320.40/8,264,734.20 = 4,890,464.40/x
  3. Step 3: Cross multiply
    5,520,320.40x = 8,264,734.20 × 4,890,464.40
  4. Step 4: Simplify right side
    5,520,320.40x = 40,418,388,380,562.48
  5. Step 5: Solve for x
    x = 40,418,388,380,562.48/5,520,320.40
  6. Step 6: Final answer
    x = 7,321,746.83

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1.5x scale

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.