Home / 965,709.60-1,448,557.20-291,789.60

Finding the Fourth Proportional to 965,709.60, 1,448,557.20 and 291,789.60

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Solution

The fourth proportional to 965,709.60, 1,448,557.20 and 291,789.60 is: 437,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,709.60 : 1,448,557.20 = 291,789.60 : x
  2. Step 2: Convert to fraction form
    965,709.60/1,448,557.20 = 291,789.60/x
  3. Step 3: Cross multiply
    965,709.60x = 1,448,557.20 × 291,789.60
  4. Step 4: Simplify right side
    965,709.60x = 422,673,925,965.12
  5. Step 5: Solve for x
    x = 422,673,925,965.12/965,709.60
  6. Step 6: Final answer
    x = 437,682.22

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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.