Home / 1,188,934.66-1,783,464.29-905,070.43

Finding the Fourth Proportional to 1,188,934.66, 1,783,464.29 and 905,070.43

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Solution

The fourth proportional to 1,188,934.66, 1,783,464.29 and 905,070.43 is: 1,357,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,934.66 : 1,783,464.29 = 905,070.43 : x
  2. Step 2: Convert to fraction form
    1,188,934.66/1,783,464.29 = 905,070.43/x
  3. Step 3: Cross multiply
    1,188,934.66x = 1,783,464.29 × 905,070.43
  4. Step 4: Simplify right side
    1,188,934.66x = 1,614,160,791,839.94
  5. Step 5: Solve for x
    x = 1,614,160,791,839.94/1,188,934.66
  6. Step 6: Final answer
    x = 1,357,653.07

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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.