Home / 1,261,260.38-1,890,765.61-462,355.43

Finding the Fourth Proportional to 1,261,260.38, 1,890,765.61 and 462,355.43

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Solution

The fourth proportional to 1,261,260.38, 1,890,765.61 and 462,355.43 is: 693,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,260.38 : 1,890,765.61 = 462,355.43 : x
  2. Step 2: Convert to fraction form
    1,261,260.38/1,890,765.61 = 462,355.43/x
  3. Step 3: Cross multiply
    1,261,260.38x = 1,890,765.61 × 462,355.43
  4. Step 4: Simplify right side
    1,261,260.38x = 874,205,736,031.05
  5. Step 5: Solve for x
    x = 874,205,736,031.05/1,261,260.38
  6. Step 6: Final answer
    x = 693,120.75

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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.