Home / 1,214,561.31-1,820,622.70-415,296.24

Finding the Fourth Proportional to 1,214,561.31, 1,820,622.70 and 415,296.24

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Solution

The fourth proportional to 1,214,561.31, 1,820,622.70 and 415,296.24 is: 622,527.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,561.31 : 1,820,622.70 = 415,296.24 : x
  2. Step 2: Convert to fraction form
    1,214,561.31/1,820,622.70 = 415,296.24/x
  3. Step 3: Cross multiply
    1,214,561.31x = 1,820,622.70 × 415,296.24
  4. Step 4: Simplify right side
    1,214,561.31x = 756,097,761,768.65
  5. Step 5: Solve for x
    x = 756,097,761,768.65/1,214,561.31
  6. Step 6: Final answer
    x = 622,527.46

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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.