Home / 1,189,723.80-1,784,585.70-629,851.80

Finding the Fourth Proportional to 1,189,723.80, 1,784,585.70 and 629,851.80

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Solution

The fourth proportional to 1,189,723.80, 1,784,585.70 and 629,851.80 is: 944,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,723.80 : 1,784,585.70 = 629,851.80 : x
  2. Step 2: Convert to fraction form
    1,189,723.80/1,784,585.70 = 629,851.80/x
  3. Step 3: Cross multiply
    1,189,723.80x = 1,784,585.70 × 629,851.80
  4. Step 4: Simplify right side
    1,189,723.80x = 1,124,024,515,399.26
  5. Step 5: Solve for x
    x = 1,124,024,515,399.26/1,189,723.80
  6. Step 6: Final answer
    x = 944,777.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.