Home / 1,319,763-1,821,277.80-716,151

Finding the Fourth Proportional to 1,319,763, 1,821,277.80 and 716,151

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Solution

The fourth proportional to 1,319,763, 1,821,277.80 and 716,151 is: 988,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,763 : 1,821,277.80 = 716,151 : x
  2. Step 2: Convert to fraction form
    1,319,763/1,821,277.80 = 716,151/x
  3. Step 3: Cross multiply
    1,319,763x = 1,821,277.80 × 716,151
  4. Step 4: Simplify right side
    1,319,763x = 1,304,309,917,747.80
  5. Step 5: Solve for x
    x = 1,304,309,917,747.80/1,319,763
  6. Step 6: Final answer
    x = 988,291.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.