Home / 371,975.32-512,458.14-258,601.24

Finding the Fourth Proportional to 371,975.32, 512,458.14 and 258,601.24

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Solution

The fourth proportional to 371,975.32, 512,458.14 and 258,601.24 is: 356,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,975.32 : 512,458.14 = 258,601.24 : x
  2. Step 2: Convert to fraction form
    371,975.32/512,458.14 = 258,601.24/x
  3. Step 3: Cross multiply
    371,975.32x = 512,458.14 × 258,601.24
  4. Step 4: Simplify right side
    371,975.32x = 132,522,310,452.09
  5. Step 5: Solve for x
    x = 132,522,310,452.09/371,975.32
  6. Step 6: Final answer
    x = 356,266.41

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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.