Home / 623,142.59-859,940.53-347,517.86

Finding the Fourth Proportional to 623,142.59, 859,940.53 and 347,517.86

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Solution

The fourth proportional to 623,142.59, 859,940.53 and 347,517.86 is: 479,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,142.59 : 859,940.53 = 347,517.86 : x
  2. Step 2: Convert to fraction form
    623,142.59/859,940.53 = 347,517.86/x
  3. Step 3: Cross multiply
    623,142.59x = 859,940.53 × 347,517.86
  4. Step 4: Simplify right side
    623,142.59x = 298,844,687,544.37
  5. Step 5: Solve for x
    x = 298,844,687,544.37/623,142.59
  6. Step 6: Final answer
    x = 479,576.74

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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.