Home / 621,498.90-932,295.33-172,214.58

Finding the Fourth Proportional to 621,498.90, 932,295.33 and 172,214.58

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Solution

The fourth proportional to 621,498.90, 932,295.33 and 172,214.58 is: 258,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,498.90 : 932,295.33 = 172,214.58 : x
  2. Step 2: Convert to fraction form
    621,498.90/932,295.33 = 172,214.58/x
  3. Step 3: Cross multiply
    621,498.90x = 932,295.33 × 172,214.58
  4. Step 4: Simplify right side
    621,498.90x = 160,554,848,691.91
  5. Step 5: Solve for x
    x = 160,554,848,691.91/621,498.90
  6. Step 6: Final answer
    x = 258,334.89

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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.