Home / 619,272.53-854,527.75-347,284.45

Finding the Fourth Proportional to 619,272.53, 854,527.75 and 347,284.45

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Solution

The fourth proportional to 619,272.53, 854,527.75 and 347,284.45 is: 479,214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,272.53 : 854,527.75 = 347,284.45 : x
  2. Step 2: Convert to fraction form
    619,272.53/854,527.75 = 347,284.45/x
  3. Step 3: Cross multiply
    619,272.53x = 854,527.75 × 347,284.45
  4. Step 4: Simplify right side
    619,272.53x = 296,764,195,395.85
  5. Step 5: Solve for x
    x = 296,764,195,395.85/619,272.53
  6. Step 6: Final answer
    x = 479,214.21

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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.