Home / 757,769.21-1,045,721.52-516,473.33

Finding the Fourth Proportional to 757,769.21, 1,045,721.52 and 516,473.33

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Solution

The fourth proportional to 757,769.21, 1,045,721.52 and 516,473.33 is: 712,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,769.21 : 1,045,721.52 = 516,473.33 : x
  2. Step 2: Convert to fraction form
    757,769.21/1,045,721.52 = 516,473.33/x
  3. Step 3: Cross multiply
    757,769.21x = 1,045,721.52 × 516,473.33
  4. Step 4: Simplify right side
    757,769.21x = 540,087,275,687.06
  5. Step 5: Solve for x
    x = 540,087,275,687.06/757,769.21
  6. Step 6: Final answer
    x = 712,733.20

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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.