Home / 929,109.10-1,394,538.45-574,815.10

Finding the Fourth Proportional to 929,109.10, 1,394,538.45 and 574,815.10

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Solution

The fourth proportional to 929,109.10, 1,394,538.45 and 574,815.10 is: 862,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,109.10 : 1,394,538.45 = 574,815.10 : x
  2. Step 2: Convert to fraction form
    929,109.10/1,394,538.45 = 574,815.10/x
  3. Step 3: Cross multiply
    929,109.10x = 1,394,538.45 × 574,815.10
  4. Step 4: Simplify right side
    929,109.10x = 801,601,758,590.60
  5. Step 5: Solve for x
    x = 801,601,758,590.60/929,109.10
  6. Step 6: Final answer
    x = 862,763.87

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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.