Home / 854,452.46-1,178,742.85-609,491.32

Finding the Fourth Proportional to 854,452.46, 1,178,742.85 and 609,491.32

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Solution

The fourth proportional to 854,452.46, 1,178,742.85 and 609,491.32 is: 840,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,452.46 : 1,178,742.85 = 609,491.32 : x
  2. Step 2: Convert to fraction form
    854,452.46/1,178,742.85 = 609,491.32/x
  3. Step 3: Cross multiply
    854,452.46x = 1,178,742.85 × 609,491.32
  4. Step 4: Simplify right side
    854,452.46x = 718,433,531,116.48
  5. Step 5: Solve for x
    x = 718,433,531,116.48/854,452.46
  6. Step 6: Final answer
    x = 840,811.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.