Home / 548,015.90-822,023.85-349,217.60

Finding the Fourth Proportional to 548,015.90, 822,023.85 and 349,217.60

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Solution

The fourth proportional to 548,015.90, 822,023.85 and 349,217.60 is: 523,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,015.90 : 822,023.85 = 349,217.60 : x
  2. Step 2: Convert to fraction form
    548,015.90/822,023.85 = 349,217.60/x
  3. Step 3: Cross multiply
    548,015.90x = 822,023.85 × 349,217.60
  4. Step 4: Simplify right side
    548,015.90x = 287,065,196,039.76
  5. Step 5: Solve for x
    x = 287,065,196,039.76/548,015.90
  6. Step 6: Final answer
    x = 523,826.40

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Similar ratio
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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.