Home / 930,115.23-1,283,687.37-516,744.69

Finding the Fourth Proportional to 930,115.23, 1,283,687.37 and 516,744.69

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Solution

The fourth proportional to 930,115.23, 1,283,687.37 and 516,744.69 is: 713,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,115.23 : 1,283,687.37 = 516,744.69 : x
  2. Step 2: Convert to fraction form
    930,115.23/1,283,687.37 = 516,744.69/x
  3. Step 3: Cross multiply
    930,115.23x = 1,283,687.37 × 516,744.69
  4. Step 4: Simplify right side
    930,115.23x = 663,338,632,067.57
  5. Step 5: Solve for x
    x = 663,338,632,067.57/930,115.23
  6. Step 6: Final answer
    x = 713,178.98

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Double scale
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1.5x scale

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.