Home / 1,081,607.72-1,492,452.81-622,633.59

Finding the Fourth Proportional to 1,081,607.72, 1,492,452.81 and 622,633.59

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Solution

The fourth proportional to 1,081,607.72, 1,492,452.81 and 622,633.59 is: 859,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,607.72 : 1,492,452.81 = 622,633.59 : x
  2. Step 2: Convert to fraction form
    1,081,607.72/1,492,452.81 = 622,633.59/x
  3. Step 3: Cross multiply
    1,081,607.72x = 1,492,452.81 × 622,633.59
  4. Step 4: Simplify right side
    1,081,607.72x = 929,251,250,995.89
  5. Step 5: Solve for x
    x = 929,251,250,995.89/1,081,607.72
  6. Step 6: Final answer
    x = 859,138.89

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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.