Home / 2,953,330.38-4,430,245.32-823,416.30

Finding the Fourth Proportional to 2,953,330.38, 4,430,245.32 and 823,416.30

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Solution

The fourth proportional to 2,953,330.38, 4,430,245.32 and 823,416.30 is: 1,235,194.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,330.38 : 4,430,245.32 = 823,416.30 : x
  2. Step 2: Convert to fraction form
    2,953,330.38/4,430,245.32 = 823,416.30/x
  3. Step 3: Cross multiply
    2,953,330.38x = 4,430,245.32 × 823,416.30
  4. Step 4: Simplify right side
    2,953,330.38x = 3,647,936,209,486.72
  5. Step 5: Solve for x
    x = 3,647,936,209,486.72/2,953,330.38
  6. Step 6: Final answer
    x = 1,235,194.08

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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.