Home / 941,821.52-1,299,704.67-512,101.80

Finding the Fourth Proportional to 941,821.52, 1,299,704.67 and 512,101.80

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Solution

The fourth proportional to 941,821.52, 1,299,704.67 and 512,101.80 is: 706,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,821.52 : 1,299,704.67 = 512,101.80 : x
  2. Step 2: Convert to fraction form
    941,821.52/1,299,704.67 = 512,101.80/x
  3. Step 3: Cross multiply
    941,821.52x = 1,299,704.67 × 512,101.80
  4. Step 4: Simplify right side
    941,821.52x = 665,581,100,975.41
  5. Step 5: Solve for x
    x = 665,581,100,975.41/941,821.52
  6. Step 6: Final answer
    x = 706,695.58

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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.