Home / 699,371.10-965,133.60-412,909.64

Finding the Fourth Proportional to 699,371.10, 965,133.60 and 412,909.64

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Solution

The fourth proportional to 699,371.10, 965,133.60 and 412,909.64 is: 569,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,371.10 : 965,133.60 = 412,909.64 : x
  2. Step 2: Convert to fraction form
    699,371.10/965,133.60 = 412,909.64/x
  3. Step 3: Cross multiply
    699,371.10x = 965,133.60 × 412,909.64
  4. Step 4: Simplify right side
    699,371.10x = 398,512,965,263.36
  5. Step 5: Solve for x
    x = 398,512,965,263.36/699,371.10
  6. Step 6: Final answer
    x = 569,816.18

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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.