Home / 1,179,423.78-1,627,661.64-663,339.30

Finding the Fourth Proportional to 1,179,423.78, 1,627,661.64 and 663,339.30

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Solution

The fourth proportional to 1,179,423.78, 1,627,661.64 and 663,339.30 is: 915,440.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,423.78 : 1,627,661.64 = 663,339.30 : x
  2. Step 2: Convert to fraction form
    1,179,423.78/1,627,661.64 = 663,339.30/x
  3. Step 3: Cross multiply
    1,179,423.78x = 1,627,661.64 × 663,339.30
  4. Step 4: Simplify right side
    1,179,423.78x = 1,079,691,932,914.45
  5. Step 5: Solve for x
    x = 1,079,691,932,914.45/1,179,423.78
  6. Step 6: Final answer
    x = 915,440.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.