Home / 1,430,034.24-1,972,967.04-809,754.96

Finding the Fourth Proportional to 1,430,034.24, 1,972,967.04 and 809,754.96

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Solution

The fourth proportional to 1,430,034.24, 1,972,967.04 and 809,754.96 is: 1,117,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,034.24 : 1,972,967.04 = 809,754.96 : x
  2. Step 2: Convert to fraction form
    1,430,034.24/1,972,967.04 = 809,754.96/x
  3. Step 3: Cross multiply
    1,430,034.24x = 1,972,967.04 × 809,754.96
  4. Step 4: Simplify right side
    1,430,034.24x = 1,597,619,846,556.52
  5. Step 5: Solve for x
    x = 1,597,619,846,556.52/1,430,034.24
  6. Step 6: Final answer
    x = 1,117,189.93

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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.