Home / 761,452.34-1,142,181.21-192,833.28

Finding the Fourth Proportional to 761,452.34, 1,142,181.21 and 192,833.28

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Solution

The fourth proportional to 761,452.34, 1,142,181.21 and 192,833.28 is: 289,250.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,452.34 : 1,142,181.21 = 192,833.28 : x
  2. Step 2: Convert to fraction form
    761,452.34/1,142,181.21 = 192,833.28/x
  3. Step 3: Cross multiply
    761,452.34x = 1,142,181.21 × 192,833.28
  4. Step 4: Simplify right side
    761,452.34x = 220,250,549,078.67
  5. Step 5: Solve for x
    x = 220,250,549,078.67/761,452.34
  6. Step 6: Final answer
    x = 289,250.61

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Double scale
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Similar ratio
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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.