Home / 527,556.16-790,867.68-394,275.52

Finding the Fourth Proportional to 527,556.16, 790,867.68 and 394,275.52

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Solution

The fourth proportional to 527,556.16, 790,867.68 and 394,275.52 is: 591,064.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,556.16 : 790,867.68 = 394,275.52 : x
  2. Step 2: Convert to fraction form
    527,556.16/790,867.68 = 394,275.52/x
  3. Step 3: Cross multiply
    527,556.16x = 790,867.68 × 394,275.52
  4. Step 4: Simplify right side
    527,556.16x = 311,819,765,783.19
  5. Step 5: Solve for x
    x = 311,819,765,783.19/527,556.16
  6. Step 6: Final answer
    x = 591,064.59

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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.