Home / 784,310.41-1,082,259.39-440,101.27

Finding the Fourth Proportional to 784,310.41, 1,082,259.39 and 440,101.27

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Solution

The fourth proportional to 784,310.41, 1,082,259.39 and 440,101.27 is: 607,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,310.41 : 1,082,259.39 = 440,101.27 : x
  2. Step 2: Convert to fraction form
    784,310.41/1,082,259.39 = 440,101.27/x
  3. Step 3: Cross multiply
    784,310.41x = 1,082,259.39 × 440,101.27
  4. Step 4: Simplify right side
    784,310.41x = 476,303,732,008.43
  5. Step 5: Solve for x
    x = 476,303,732,008.43/784,310.41
  6. Step 6: Final answer
    x = 607,289.83

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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.