Home / 526,830.38-790,217.76-147,777.26

Finding the Fourth Proportional to 526,830.38, 790,217.76 and 147,777.26

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Solution

The fourth proportional to 526,830.38, 790,217.76 and 147,777.26 is: 221,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,830.38 : 790,217.76 = 147,777.26 : x
  2. Step 2: Convert to fraction form
    526,830.38/790,217.76 = 147,777.26/x
  3. Step 3: Cross multiply
    526,830.38x = 790,217.76 × 147,777.26
  4. Step 4: Simplify right side
    526,830.38x = 116,776,215,376.14
  5. Step 5: Solve for x
    x = 116,776,215,376.14/526,830.38
  6. Step 6: Final answer
    x = 221,658.09

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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.