Home / 784,309.41-1,082,258.01-440,100.27

Finding the Fourth Proportional to 784,309.41, 1,082,258.01 and 440,100.27

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Solution

The fourth proportional to 784,309.41, 1,082,258.01 and 440,100.27 is: 607,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,309.41 : 1,082,258.01 = 440,100.27 : x
  2. Step 2: Convert to fraction form
    784,309.41/1,082,258.01 = 440,100.27/x
  3. Step 3: Cross multiply
    784,309.41x = 1,082,258.01 × 440,100.27
  4. Step 4: Simplify right side
    784,309.41x = 476,302,042,410.66
  5. Step 5: Solve for x
    x = 476,302,042,410.66/784,309.41
  6. Step 6: Final answer
    x = 607,288.45

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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.