Home / 784,335.66-1,082,383.21-444,803.91

Finding the Fourth Proportional to 784,335.66, 1,082,383.21 and 444,803.91

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Solution

The fourth proportional to 784,335.66, 1,082,383.21 and 444,803.91 is: 613,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,335.66 : 1,082,383.21 = 444,803.91 : x
  2. Step 2: Convert to fraction form
    784,335.66/1,082,383.21 = 444,803.91/x
  3. Step 3: Cross multiply
    784,335.66x = 1,082,383.21 × 444,803.91
  4. Step 4: Simplify right side
    784,335.66x = 481,448,277,921.40
  5. Step 5: Solve for x
    x = 481,448,277,921.40/784,335.66
  6. Step 6: Final answer
    x = 613,829.39

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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.