Home / 513,028.06-707,964.24-286,673.56

Finding the Fourth Proportional to 513,028.06, 707,964.24 and 286,673.56

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Solution

The fourth proportional to 513,028.06, 707,964.24 and 286,673.56 is: 395,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,028.06 : 707,964.24 = 286,673.56 : x
  2. Step 2: Convert to fraction form
    513,028.06/707,964.24 = 286,673.56/x
  3. Step 3: Cross multiply
    513,028.06x = 707,964.24 × 286,673.56
  4. Step 4: Simplify right side
    513,028.06x = 202,954,629,033.49
  5. Step 5: Solve for x
    x = 202,954,629,033.49/513,028.06
  6. Step 6: Final answer
    x = 395,601.42

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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.