Home / 888,978.47-1,226,790.20-481,080.24

Finding the Fourth Proportional to 888,978.47, 1,226,790.20 and 481,080.24

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Solution

The fourth proportional to 888,978.47, 1,226,790.20 and 481,080.24 is: 663,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,978.47 : 1,226,790.20 = 481,080.24 : x
  2. Step 2: Convert to fraction form
    888,978.47/1,226,790.20 = 481,080.24/x
  3. Step 3: Cross multiply
    888,978.47x = 1,226,790.20 × 481,080.24
  4. Step 4: Simplify right side
    888,978.47x = 590,184,521,440.25
  5. Step 5: Solve for x
    x = 590,184,521,440.25/888,978.47
  6. Step 6: Final answer
    x = 663,890.68

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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.