Home / 945,854.22-1,306,700.49-619,940.58

Finding the Fourth Proportional to 945,854.22, 1,306,700.49 and 619,940.58

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Solution

The fourth proportional to 945,854.22, 1,306,700.49 and 619,940.58 is: 856,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,854.22 : 1,306,700.49 = 619,940.58 : x
  2. Step 2: Convert to fraction form
    945,854.22/1,306,700.49 = 619,940.58/x
  3. Step 3: Cross multiply
    945,854.22x = 1,306,700.49 × 619,940.58
  4. Step 4: Simplify right side
    945,854.22x = 810,076,659,656.88
  5. Step 5: Solve for x
    x = 810,076,659,656.88/945,854.22
  6. Step 6: Final answer
    x = 856,449.80

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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.