Home / 1,296,022.80-1,941,701.40-1,058,077.20

Finding the Fourth Proportional to 1,296,022.80, 1,941,701.40 and 1,058,077.20

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Solution

The fourth proportional to 1,296,022.80, 1,941,701.40 and 1,058,077.20 is: 1,585,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,022.80 : 1,941,701.40 = 1,058,077.20 : x
  2. Step 2: Convert to fraction form
    1,296,022.80/1,941,701.40 = 1,058,077.20/x
  3. Step 3: Cross multiply
    1,296,022.80x = 1,941,701.40 × 1,058,077.20
  4. Step 4: Simplify right side
    1,296,022.80x = 2,054,469,980,548.08
  5. Step 5: Solve for x
    x = 2,054,469,980,548.08/1,296,022.80
  6. Step 6: Final answer
    x = 1,585,211.29

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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.