Home / 1,246,057.52-1,869,059.40-347,475.28

Finding the Fourth Proportional to 1,246,057.52, 1,869,059.40 and 347,475.28

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Solution

The fourth proportional to 1,246,057.52, 1,869,059.40 and 347,475.28 is: 521,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,057.52 : 1,869,059.40 = 347,475.28 : x
  2. Step 2: Convert to fraction form
    1,246,057.52/1,869,059.40 = 347,475.28/x
  3. Step 3: Cross multiply
    1,246,057.52x = 1,869,059.40 × 347,475.28
  4. Step 4: Simplify right side
    1,246,057.52x = 649,451,938,351.63
  5. Step 5: Solve for x
    x = 649,451,938,351.63/1,246,057.52
  6. Step 6: Final answer
    x = 521,205.42

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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.