Home / 834,296.13-1,251,564.06-257,964.30

Finding the Fourth Proportional to 834,296.13, 1,251,564.06 and 257,964.30

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Solution

The fourth proportional to 834,296.13, 1,251,564.06 and 257,964.30 is: 386,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,296.13 : 1,251,564.06 = 257,964.30 : x
  2. Step 2: Convert to fraction form
    834,296.13/1,251,564.06 = 257,964.30/x
  3. Step 3: Cross multiply
    834,296.13x = 1,251,564.06 × 257,964.30
  4. Step 4: Simplify right side
    834,296.13x = 322,858,846,643.06
  5. Step 5: Solve for x
    x = 322,858,846,643.06/834,296.13
  6. Step 6: Final answer
    x = 386,983.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.