Home / 889,540.18-1,227,567.35-481,646.86

Finding the Fourth Proportional to 889,540.18, 1,227,567.35 and 481,646.86

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Solution

The fourth proportional to 889,540.18, 1,227,567.35 and 481,646.86 is: 664,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,540.18 : 1,227,567.35 = 481,646.86 : x
  2. Step 2: Convert to fraction form
    889,540.18/1,227,567.35 = 481,646.86/x
  3. Step 3: Cross multiply
    889,540.18x = 1,227,567.35 × 481,646.86
  4. Step 4: Simplify right side
    889,540.18x = 591,253,959,566.02
  5. Step 5: Solve for x
    x = 591,253,959,566.02/889,540.18
  6. Step 6: Final answer
    x = 664,673.70

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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.