Home / 527,270.64-790,742.16-190,267.56

Finding the Fourth Proportional to 527,270.64, 790,742.16 and 190,267.56

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Solution

The fourth proportional to 527,270.64, 790,742.16 and 190,267.56 is: 285,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,270.64 : 790,742.16 = 190,267.56 : x
  2. Step 2: Convert to fraction form
    527,270.64/790,742.16 = 190,267.56/x
  3. Step 3: Cross multiply
    527,270.64x = 790,742.16 × 190,267.56
  4. Step 4: Simplify right side
    527,270.64x = 150,452,581,372.33
  5. Step 5: Solve for x
    x = 150,452,581,372.33/527,270.64
  6. Step 6: Final answer
    x = 285,342.23

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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.