Home / 947,132.18-1,419,812.53-347,932.45

Finding the Fourth Proportional to 947,132.18, 1,419,812.53 and 347,932.45

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Solution

The fourth proportional to 947,132.18, 1,419,812.53 and 347,932.45 is: 521,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,132.18 : 1,419,812.53 = 347,932.45 : x
  2. Step 2: Convert to fraction form
    947,132.18/1,419,812.53 = 347,932.45/x
  3. Step 3: Cross multiply
    947,132.18x = 1,419,812.53 × 347,932.45
  4. Step 4: Simplify right side
    947,132.18x = 493,998,852,103.60
  5. Step 5: Solve for x
    x = 493,998,852,103.60/947,132.18
  6. Step 6: Final answer
    x = 521,573.30

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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.