Home / 1,159,129.70-1,738,694.55-805,235.30

Finding the Fourth Proportional to 1,159,129.70, 1,738,694.55 and 805,235.30

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Solution

The fourth proportional to 1,159,129.70, 1,738,694.55 and 805,235.30 is: 1,207,852.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,129.70 : 1,738,694.55 = 805,235.30 : x
  2. Step 2: Convert to fraction form
    1,159,129.70/1,738,694.55 = 805,235.30/x
  3. Step 3: Cross multiply
    1,159,129.70x = 1,738,694.55 × 805,235.30
  4. Step 4: Simplify right side
    1,159,129.70x = 1,400,058,227,577.62
  5. Step 5: Solve for x
    x = 1,400,058,227,577.62/1,159,129.70
  6. Step 6: Final answer
    x = 1,207,852.95

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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.