Home / 1,214,214.30-1,675,571.87-670,338.59

Finding the Fourth Proportional to 1,214,214.30, 1,675,571.87 and 670,338.59

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Solution

The fourth proportional to 1,214,214.30, 1,675,571.87 and 670,338.59 is: 925,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,214.30 : 1,675,571.87 = 670,338.59 : x
  2. Step 2: Convert to fraction form
    1,214,214.30/1,675,571.87 = 670,338.59/x
  3. Step 3: Cross multiply
    1,214,214.30x = 1,675,571.87 × 670,338.59
  4. Step 4: Simplify right side
    1,214,214.30x = 1,123,200,478,077.45
  5. Step 5: Solve for x
    x = 1,123,200,478,077.45/1,214,214.30
  6. Step 6: Final answer
    x = 925,043.03

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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.