Home / 1,197,685.42-1,796,811.28-388,068.48

Finding the Fourth Proportional to 1,197,685.42, 1,796,811.28 and 388,068.48

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Solution

The fourth proportional to 1,197,685.42, 1,796,811.28 and 388,068.48 is: 582,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,685.42 : 1,796,811.28 = 388,068.48 : x
  2. Step 2: Convert to fraction form
    1,197,685.42/1,796,811.28 = 388,068.48/x
  3. Step 3: Cross multiply
    1,197,685.42x = 1,796,811.28 × 388,068.48
  4. Step 4: Simplify right side
    1,197,685.42x = 697,285,821,306.28
  5. Step 5: Solve for x
    x = 697,285,821,306.28/1,197,685.42
  6. Step 6: Final answer
    x = 582,194.47

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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.