Home / 762,028.32-1,140,800.24-508,680.44

Finding the Fourth Proportional to 762,028.32, 1,140,800.24 and 508,680.44

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Solution

The fourth proportional to 762,028.32, 1,140,800.24 and 508,680.44 is: 761,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,028.32 : 1,140,800.24 = 508,680.44 : x
  2. Step 2: Convert to fraction form
    762,028.32/1,140,800.24 = 508,680.44/x
  3. Step 3: Cross multiply
    762,028.32x = 1,140,800.24 × 508,680.44
  4. Step 4: Simplify right side
    762,028.32x = 580,302,765,019.68
  5. Step 5: Solve for x
    x = 580,302,765,019.68/762,028.32
  6. Step 6: Final answer
    x = 761,523.88

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Double scale
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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.