Home / 1,306,375.56-1,959,563.50-407,894.25

Finding the Fourth Proportional to 1,306,375.56, 1,959,563.50 and 407,894.25

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Solution

The fourth proportional to 1,306,375.56, 1,959,563.50 and 407,894.25 is: 611,841.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,375.56 : 1,959,563.50 = 407,894.25 : x
  2. Step 2: Convert to fraction form
    1,306,375.56/1,959,563.50 = 407,894.25/x
  3. Step 3: Cross multiply
    1,306,375.56x = 1,959,563.50 × 407,894.25
  4. Step 4: Simplify right side
    1,306,375.56x = 799,294,683,140.14
  5. Step 5: Solve for x
    x = 799,294,683,140.14/1,306,375.56
  6. Step 6: Final answer
    x = 611,841.42

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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.