Home / 999,632.12-1,498,783.85-550,564.48

Finding the Fourth Proportional to 999,632.12, 1,498,783.85 and 550,564.48

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Solution

The fourth proportional to 999,632.12, 1,498,783.85 and 550,564.48 is: 825,480.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,632.12 : 1,498,783.85 = 550,564.48 : x
  2. Step 2: Convert to fraction form
    999,632.12/1,498,783.85 = 550,564.48/x
  3. Step 3: Cross multiply
    999,632.12x = 1,498,783.85 × 550,564.48
  4. Step 4: Simplify right side
    999,632.12x = 825,177,140,760.91
  5. Step 5: Solve for x
    x = 825,177,140,760.91/999,632.12
  6. Step 6: Final answer
    x = 825,480.82

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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.