Home / 913,151.80-1,369,727.70-629,716.60

Finding the Fourth Proportional to 913,151.80, 1,369,727.70 and 629,716.60

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Solution

The fourth proportional to 913,151.80, 1,369,727.70 and 629,716.60 is: 944,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,151.80 : 1,369,727.70 = 629,716.60 : x
  2. Step 2: Convert to fraction form
    913,151.80/1,369,727.70 = 629,716.60/x
  3. Step 3: Cross multiply
    913,151.80x = 1,369,727.70 × 629,716.60
  4. Step 4: Simplify right side
    913,151.80x = 862,540,270,169.82
  5. Step 5: Solve for x
    x = 862,540,270,169.82/913,151.80
  6. Step 6: Final answer
    x = 944,574.90

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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.