Home / 949,145.45-1,309,819.86-535,769.26

Finding the Fourth Proportional to 949,145.45, 1,309,819.86 and 535,769.26

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Solution

The fourth proportional to 949,145.45, 1,309,819.86 and 535,769.26 is: 739,361.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,145.45 : 1,309,819.86 = 535,769.26 : x
  2. Step 2: Convert to fraction form
    949,145.45/1,309,819.86 = 535,769.26/x
  3. Step 3: Cross multiply
    949,145.45x = 1,309,819.86 × 535,769.26
  4. Step 4: Simplify right side
    949,145.45x = 701,761,213,404.18
  5. Step 5: Solve for x
    x = 701,761,213,404.18/949,145.45
  6. Step 6: Final answer
    x = 739,361.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.