Home / 1,214,562.18-1,820,624.01-415,297.11

Finding the Fourth Proportional to 1,214,562.18, 1,820,624.01 and 415,297.11

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Solution

The fourth proportional to 1,214,562.18, 1,820,624.01 and 415,297.11 is: 622,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,562.18 : 1,820,624.01 = 415,297.11 : x
  2. Step 2: Convert to fraction form
    1,214,562.18/1,820,624.01 = 415,297.11/x
  3. Step 3: Cross multiply
    1,214,562.18x = 1,820,624.01 × 415,297.11
  4. Step 4: Simplify right side
    1,214,562.18x = 756,099,889,749.61
  5. Step 5: Solve for x
    x = 756,099,889,749.61/1,214,562.18
  6. Step 6: Final answer
    x = 622,528.76

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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.