Home / 1,214,560.68-1,820,621.77-415,295.61

Finding the Fourth Proportional to 1,214,560.68, 1,820,621.77 and 415,295.61

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Solution

The fourth proportional to 1,214,560.68, 1,820,621.77 and 415,295.61 is: 622,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,560.68 : 1,820,621.77 = 415,295.61 : x
  2. Step 2: Convert to fraction form
    1,214,560.68/1,820,621.77 = 415,295.61/x
  3. Step 3: Cross multiply
    1,214,560.68x = 1,820,621.77 × 415,295.61
  4. Step 4: Simplify right side
    1,214,560.68x = 756,096,227,513.19
  5. Step 5: Solve for x
    x = 756,096,227,513.19/1,214,560.68
  6. Step 6: Final answer
    x = 622,526.52

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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.