Home / 941,772.49-1,299,630.72-512,063.44

Finding the Fourth Proportional to 941,772.49, 1,299,630.72 and 512,063.44

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Solution

The fourth proportional to 941,772.49, 1,299,630.72 and 512,063.44 is: 706,639.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,772.49 : 1,299,630.72 = 512,063.44 : x
  2. Step 2: Convert to fraction form
    941,772.49/1,299,630.72 = 512,063.44/x
  3. Step 3: Cross multiply
    941,772.49x = 1,299,630.72 × 512,063.44
  4. Step 4: Simplify right side
    941,772.49x = 665,493,375,884.04
  5. Step 5: Solve for x
    x = 665,493,375,884.04/941,772.49
  6. Step 6: Final answer
    x = 706,639.22

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1.5x scale

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.