Home / 889,762.15-1,227,856.60-481,860.69

Finding the Fourth Proportional to 889,762.15, 1,227,856.60 and 481,860.69

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Solution

The fourth proportional to 889,762.15, 1,227,856.60 and 481,860.69 is: 664,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,762.15 : 1,227,856.60 = 481,860.69 : x
  2. Step 2: Convert to fraction form
    889,762.15/1,227,856.60 = 481,860.69/x
  3. Step 3: Cross multiply
    889,762.15x = 1,227,856.60 × 481,860.69
  4. Step 4: Simplify right side
    889,762.15x = 591,655,828,497.05
  5. Step 5: Solve for x
    x = 591,655,828,497.05/889,762.15
  6. Step 6: Final answer
    x = 664,959.54

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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.