Home / 621,580.05-932,277.78-172,254.06

Finding the Fourth Proportional to 621,580.05, 932,277.78 and 172,254.06

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Solution

The fourth proportional to 621,580.05, 932,277.78 and 172,254.06 is: 258,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,580.05 : 932,277.78 = 172,254.06 : x
  2. Step 2: Convert to fraction form
    621,580.05/932,277.78 = 172,254.06/x
  3. Step 3: Cross multiply
    621,580.05x = 932,277.78 × 172,254.06
  4. Step 4: Simplify right side
    621,580.05x = 160,588,632,652.79
  5. Step 5: Solve for x
    x = 160,588,632,652.79/621,580.05
  6. Step 6: Final answer
    x = 258,355.51

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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.