Home / 928,703.64-1,392,943.14-254,839.80

Finding the Fourth Proportional to 928,703.64, 1,392,943.14 and 254,839.80

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Solution

The fourth proportional to 928,703.64, 1,392,943.14 and 254,839.80 is: 382,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,703.64 : 1,392,943.14 = 254,839.80 : x
  2. Step 2: Convert to fraction form
    928,703.64/1,392,943.14 = 254,839.80/x
  3. Step 3: Cross multiply
    928,703.64x = 1,392,943.14 × 254,839.80
  4. Step 4: Simplify right side
    928,703.64x = 354,977,351,208.97
  5. Step 5: Solve for x
    x = 354,977,351,208.97/928,703.64
  6. Step 6: Final answer
    x = 382,228.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.