Home / 1,049,759.82-1,574,889.60-339,787.80

Finding the Fourth Proportional to 1,049,759.82, 1,574,889.60 and 339,787.80

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Solution

The fourth proportional to 1,049,759.82, 1,574,889.60 and 339,787.80 is: 509,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,759.82 : 1,574,889.60 = 339,787.80 : x
  2. Step 2: Convert to fraction form
    1,049,759.82/1,574,889.60 = 339,787.80/x
  3. Step 3: Cross multiply
    1,049,759.82x = 1,574,889.60 × 339,787.80
  4. Step 4: Simplify right side
    1,049,759.82x = 535,128,272,426.88
  5. Step 5: Solve for x
    x = 535,128,272,426.88/1,049,759.82
  6. Step 6: Final answer
    x = 509,762.58

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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.