Home / 889,508.37-1,227,516.33-481,601.65

Finding the Fourth Proportional to 889,508.37, 1,227,516.33 and 481,601.65

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Solution

The fourth proportional to 889,508.37, 1,227,516.33 and 481,601.65 is: 664,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,508.37 : 1,227,516.33 = 481,601.65 : x
  2. Step 2: Convert to fraction form
    889,508.37/1,227,516.33 = 481,601.65/x
  3. Step 3: Cross multiply
    889,508.37x = 1,227,516.33 × 481,601.65
  4. Step 4: Simplify right side
    889,508.37x = 591,173,889,929.95
  5. Step 5: Solve for x
    x = 591,173,889,929.95/889,508.37
  6. Step 6: Final answer
    x = 664,607.45

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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.