Home / 889,698.94-1,227,782.71-481,800.66

Finding the Fourth Proportional to 889,698.94, 1,227,782.71 and 481,800.66

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Solution

The fourth proportional to 889,698.94, 1,227,782.71 and 481,800.66 is: 664,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,698.94 : 1,227,782.71 = 481,800.66 : x
  2. Step 2: Convert to fraction form
    889,698.94/1,227,782.71 = 481,800.66/x
  3. Step 3: Cross multiply
    889,698.94x = 1,227,782.71 × 481,800.66
  4. Step 4: Simplify right side
    889,698.94x = 591,546,516,012.65
  5. Step 5: Solve for x
    x = 591,546,516,012.65/889,698.94
  6. Step 6: Final answer
    x = 664,883.92

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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.