Home / 1,443,338.24-2,165,214.72-446,144

Finding the Fourth Proportional to 1,443,338.24, 2,165,214.72 and 446,144

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Solution

The fourth proportional to 1,443,338.24, 2,165,214.72 and 446,144 is: 669,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,338.24 : 2,165,214.72 = 446,144 : x
  2. Step 2: Convert to fraction form
    1,443,338.24/2,165,214.72 = 446,144/x
  3. Step 3: Cross multiply
    1,443,338.24x = 2,165,214.72 × 446,144
  4. Step 4: Simplify right side
    1,443,338.24x = 965,997,556,039.68
  5. Step 5: Solve for x
    x = 965,997,556,039.68/1,443,338.24
  6. Step 6: Final answer
    x = 669,280.10

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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.