Home / 951,564.08-1,313,175.27-521,840.45

Finding the Fourth Proportional to 951,564.08, 1,313,175.27 and 521,840.45

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Solution

The fourth proportional to 951,564.08, 1,313,175.27 and 521,840.45 is: 720,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,564.08 : 1,313,175.27 = 521,840.45 : x
  2. Step 2: Convert to fraction form
    951,564.08/1,313,175.27 = 521,840.45/x
  3. Step 3: Cross multiply
    951,564.08x = 1,313,175.27 × 521,840.45
  4. Step 4: Simplify right side
    951,564.08x = 685,267,979,065.51
  5. Step 5: Solve for x
    x = 685,267,979,065.51/951,564.08
  6. Step 6: Final answer
    x = 720,149.06

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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.