Home / 941,816.36-1,299,722.82-512,099.30

Finding the Fourth Proportional to 941,816.36, 1,299,722.82 and 512,099.30

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Solution

The fourth proportional to 941,816.36, 1,299,722.82 and 512,099.30 is: 706,705.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,816.36 : 1,299,722.82 = 512,099.30 : x
  2. Step 2: Convert to fraction form
    941,816.36/1,299,722.82 = 512,099.30/x
  3. Step 3: Cross multiply
    941,816.36x = 1,299,722.82 × 512,099.30
  4. Step 4: Simplify right side
    941,816.36x = 665,587,146,316.03
  5. Step 5: Solve for x
    x = 665,587,146,316.03/941,816.36
  6. Step 6: Final answer
    x = 706,705.87

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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.