Home / 1,214,568.80-1,820,633.96-415,303.76

Finding the Fourth Proportional to 1,214,568.80, 1,820,633.96 and 415,303.76

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Solution

The fourth proportional to 1,214,568.80, 1,820,633.96 and 415,303.76 is: 622,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,568.80 : 1,820,633.96 = 415,303.76 : x
  2. Step 2: Convert to fraction form
    1,214,568.80/1,820,633.96 = 415,303.76/x
  3. Step 3: Cross multiply
    1,214,568.80x = 1,820,633.96 × 415,303.76
  4. Step 4: Simplify right side
    1,214,568.80x = 756,116,129,171.69
  5. Step 5: Solve for x
    x = 756,116,129,171.69/1,214,568.80
  6. Step 6: Final answer
    x = 622,538.74

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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.