Home / 2,685,377.79-4,028,027.25-663,621.63

Finding the Fourth Proportional to 2,685,377.79, 4,028,027.25 and 663,621.63

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Solution

The fourth proportional to 2,685,377.79, 4,028,027.25 and 663,621.63 is: 995,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,377.79 : 4,028,027.25 = 663,621.63 : x
  2. Step 2: Convert to fraction form
    2,685,377.79/4,028,027.25 = 663,621.63/x
  3. Step 3: Cross multiply
    2,685,377.79x = 4,028,027.25 × 663,621.63
  4. Step 4: Simplify right side
    2,685,377.79x = 2,673,086,009,329.42
  5. Step 5: Solve for x
    x = 2,673,086,009,329.42/2,685,377.79
  6. Step 6: Final answer
    x = 995,422.70

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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.