Home / 853,152.28-1,177,358.22-485,611.46

Finding the Fourth Proportional to 853,152.28, 1,177,358.22 and 485,611.46

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Solution

The fourth proportional to 853,152.28, 1,177,358.22 and 485,611.46 is: 670,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,152.28 : 1,177,358.22 = 485,611.46 : x
  2. Step 2: Convert to fraction form
    853,152.28/1,177,358.22 = 485,611.46/x
  3. Step 3: Cross multiply
    853,152.28x = 1,177,358.22 × 485,611.46
  4. Step 4: Simplify right side
    853,152.28x = 571,738,644,157.20
  5. Step 5: Solve for x
    x = 571,738,644,157.20/853,152.28
  6. Step 6: Final answer
    x = 670,148.41

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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.