Home / 753,855.30-1,040,308.24-414,316.26

Finding the Fourth Proportional to 753,855.30, 1,040,308.24 and 414,316.26

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Solution

The fourth proportional to 753,855.30, 1,040,308.24 and 414,316.26 is: 571,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,855.30 : 1,040,308.24 = 414,316.26 : x
  2. Step 2: Convert to fraction form
    753,855.30/1,040,308.24 = 414,316.26/x
  3. Step 3: Cross multiply
    753,855.30x = 1,040,308.24 × 414,316.26
  4. Step 4: Simplify right side
    753,855.30x = 431,016,619,243.98
  5. Step 5: Solve for x
    x = 431,016,619,243.98/753,855.30
  6. Step 6: Final answer
    x = 571,749.80

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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.