Home / 1,013,859.92-1,520,786.03-414,820.89

Finding the Fourth Proportional to 1,013,859.92, 1,520,786.03 and 414,820.89

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Solution

The fourth proportional to 1,013,859.92, 1,520,786.03 and 414,820.89 is: 622,229.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,859.92 : 1,520,786.03 = 414,820.89 : x
  2. Step 2: Convert to fraction form
    1,013,859.92/1,520,786.03 = 414,820.89/x
  3. Step 3: Cross multiply
    1,013,859.92x = 1,520,786.03 × 414,820.89
  4. Step 4: Simplify right side
    1,013,859.92x = 630,853,812,390.06
  5. Step 5: Solve for x
    x = 630,853,812,390.06/1,013,859.92
  6. Step 6: Final answer
    x = 622,229.76

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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.