Home / 5,200,383.10-7,800,574.65-3,499,771.90

Finding the Fourth Proportional to 5,200,383.10, 7,800,574.65 and 3,499,771.90

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Solution

The fourth proportional to 5,200,383.10, 7,800,574.65 and 3,499,771.90 is: 5,249,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,383.10 : 7,800,574.65 = 3,499,771.90 : x
  2. Step 2: Convert to fraction form
    5,200,383.10/7,800,574.65 = 3,499,771.90/x
  3. Step 3: Cross multiply
    5,200,383.10x = 7,800,574.65 × 3,499,771.90
  4. Step 4: Simplify right side
    5,200,383.10x = 27,300,231,963,922.34
  5. Step 5: Solve for x
    x = 27,300,231,963,922.34/5,200,383.10
  6. Step 6: Final answer
    x = 5,249,657.85

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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.