Home / 1,296,252.80-1,942,046.40-1,058,307.20

Finding the Fourth Proportional to 1,296,252.80, 1,942,046.40 and 1,058,307.20

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Solution

The fourth proportional to 1,296,252.80, 1,942,046.40 and 1,058,307.20 is: 1,585,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,252.80 : 1,942,046.40 = 1,058,307.20 : x
  2. Step 2: Convert to fraction form
    1,296,252.80/1,942,046.40 = 1,058,307.20/x
  3. Step 3: Cross multiply
    1,296,252.80x = 1,942,046.40 × 1,058,307.20
  4. Step 4: Simplify right side
    1,296,252.80x = 2,055,281,687,854.08
  5. Step 5: Solve for x
    x = 2,055,281,687,854.08/1,296,252.80
  6. Step 6: Final answer
    x = 1,585,556.22

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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.