Home / 1,192,005.40-1,790,081.70-632,133.40

Finding the Fourth Proportional to 1,192,005.40, 1,790,081.70 and 632,133.40

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Solution

The fourth proportional to 1,192,005.40, 1,790,081.70 and 632,133.40 is: 949,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,005.40 : 1,790,081.70 = 632,133.40 : x
  2. Step 2: Convert to fraction form
    1,192,005.40/1,790,081.70 = 632,133.40/x
  3. Step 3: Cross multiply
    1,192,005.40x = 1,790,081.70 × 632,133.40
  4. Step 4: Simplify right side
    1,192,005.40x = 1,131,570,431,298.78
  5. Step 5: Solve for x
    x = 1,131,570,431,298.78/1,192,005.40
  6. Step 6: Final answer
    x = 949,299.75

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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.