Home / 527,258.58-790,724.25-190,255.47

Finding the Fourth Proportional to 527,258.58, 790,724.25 and 190,255.47

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Solution

The fourth proportional to 527,258.58, 790,724.25 and 190,255.47 is: 285,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,258.58 : 790,724.25 = 190,255.47 : x
  2. Step 2: Convert to fraction form
    527,258.58/790,724.25 = 190,255.47/x
  3. Step 3: Cross multiply
    527,258.58x = 790,724.25 × 190,255.47
  4. Step 4: Simplify right side
    527,258.58x = 150,439,613,824.15
  5. Step 5: Solve for x
    x = 150,439,613,824.15/527,258.58
  6. Step 6: Final answer
    x = 285,324.16

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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.