Home / 1,014,272.38-1,399,739.62-561,563.38

Finding the Fourth Proportional to 1,014,272.38, 1,399,739.62 and 561,563.38

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Solution

The fourth proportional to 1,014,272.38, 1,399,739.62 and 561,563.38 is: 774,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,272.38 : 1,399,739.62 = 561,563.38 : x
  2. Step 2: Convert to fraction form
    1,014,272.38/1,399,739.62 = 561,563.38/x
  3. Step 3: Cross multiply
    1,014,272.38x = 1,399,739.62 × 561,563.38
  4. Step 4: Simplify right side
    1,014,272.38x = 786,042,505,128.42
  5. Step 5: Solve for x
    x = 786,042,505,128.42/1,014,272.38
  6. Step 6: Final answer
    x = 774,981.68

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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.