Home / 1,177,112.25-1,766,443.95-645,007.05

Finding the Fourth Proportional to 1,177,112.25, 1,766,443.95 and 645,007.05

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Solution

The fourth proportional to 1,177,112.25, 1,766,443.95 and 645,007.05 is: 967,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,112.25 : 1,766,443.95 = 645,007.05 : x
  2. Step 2: Convert to fraction form
    1,177,112.25/1,766,443.95 = 645,007.05/x
  3. Step 3: Cross multiply
    1,177,112.25x = 1,766,443.95 × 645,007.05
  4. Step 4: Simplify right side
    1,177,112.25x = 1,139,368,801,179.85
  5. Step 5: Solve for x
    x = 1,139,368,801,179.85/1,177,112.25
  6. Step 6: Final answer
    x = 967,935.56

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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.