Home / 621,914.20-932,937.94-172,636.96

Finding the Fourth Proportional to 621,914.20, 932,937.94 and 172,636.96

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Solution

The fourth proportional to 621,914.20, 932,937.94 and 172,636.96 is: 258,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,914.20 : 932,937.94 = 172,636.96 : x
  2. Step 2: Convert to fraction form
    621,914.20/932,937.94 = 172,636.96/x
  3. Step 3: Cross multiply
    621,914.20x = 932,937.94 × 172,636.96
  4. Step 4: Simplify right side
    621,914.20x = 161,059,569,830.26
  5. Step 5: Solve for x
    x = 161,059,569,830.26/621,914.20
  6. Step 6: Final answer
    x = 258,973.94

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1.5x scale

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.