Home / 753,661.05-1,040,040.45-414,122.01

Finding the Fourth Proportional to 753,661.05, 1,040,040.45 and 414,122.01

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Solution

The fourth proportional to 753,661.05, 1,040,040.45 and 414,122.01 is: 571,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,661.05 : 1,040,040.45 = 414,122.01 : x
  2. Step 2: Convert to fraction form
    753,661.05/1,040,040.45 = 414,122.01/x
  3. Step 3: Cross multiply
    753,661.05x = 1,040,040.45 × 414,122.01
  4. Step 4: Simplify right side
    753,661.05x = 430,703,641,635.31
  5. Step 5: Solve for x
    x = 430,703,641,635.31/753,661.05
  6. Step 6: Final answer
    x = 571,481.89

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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.