Home / 527,261.58-790,728.75-190,258.47

Finding the Fourth Proportional to 527,261.58, 790,728.75 and 190,258.47

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Solution

The fourth proportional to 527,261.58, 790,728.75 and 190,258.47 is: 285,328.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,261.58 : 790,728.75 = 190,258.47 : x
  2. Step 2: Convert to fraction form
    527,261.58/790,728.75 = 190,258.47/x
  3. Step 3: Cross multiply
    527,261.58x = 790,728.75 × 190,258.47
  4. Step 4: Simplify right side
    527,261.58x = 150,442,842,160.01
  5. Step 5: Solve for x
    x = 150,442,842,160.01/527,261.58
  6. Step 6: Final answer
    x = 285,328.66

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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.