Home / 784,282.32-1,082,309.51-444,750.57

Finding the Fourth Proportional to 784,282.32, 1,082,309.51 and 444,750.57

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Solution

The fourth proportional to 784,282.32, 1,082,309.51 and 444,750.57 is: 613,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,282.32 : 1,082,309.51 = 444,750.57 : x
  2. Step 2: Convert to fraction form
    784,282.32/1,082,309.51 = 444,750.57/x
  3. Step 3: Cross multiply
    784,282.32x = 1,082,309.51 × 444,750.57
  4. Step 4: Simplify right side
    784,282.32x = 481,357,769,265.17
  5. Step 5: Solve for x
    x = 481,357,769,265.17/784,282.32
  6. Step 6: Final answer
    x = 613,755.73

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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.