Home / 948,732.22-1,309,260.78-519,003.12

Finding the Fourth Proportional to 948,732.22, 1,309,260.78 and 519,003.12

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Solution

The fourth proportional to 948,732.22, 1,309,260.78 and 519,003.12 is: 716,229.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,732.22 : 1,309,260.78 = 519,003.12 : x
  2. Step 2: Convert to fraction form
    948,732.22/1,309,260.78 = 519,003.12/x
  3. Step 3: Cross multiply
    948,732.22x = 1,309,260.78 × 519,003.12
  4. Step 4: Simplify right side
    948,732.22x = 679,510,434,623.36
  5. Step 5: Solve for x
    x = 679,510,434,623.36/948,732.22
  6. Step 6: Final answer
    x = 716,229.95

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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.