Home / 755,619.80-1,133,429.70-516,471.35

Finding the Fourth Proportional to 755,619.80, 1,133,429.70 and 516,471.35

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Solution

The fourth proportional to 755,619.80, 1,133,429.70 and 516,471.35 is: 774,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,619.80 : 1,133,429.70 = 516,471.35 : x
  2. Step 2: Convert to fraction form
    755,619.80/1,133,429.70 = 516,471.35/x
  3. Step 3: Cross multiply
    755,619.80x = 1,133,429.70 × 516,471.35
  4. Step 4: Simplify right side
    755,619.80x = 585,383,967,289.10
  5. Step 5: Solve for x
    x = 585,383,967,289.10/755,619.80
  6. Step 6: Final answer
    x = 774,707.03

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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.