Home / 621,823.67-932,631.17-172,590.18

Finding the Fourth Proportional to 621,823.67, 932,631.17 and 172,590.18

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Solution

The fourth proportional to 621,823.67, 932,631.17 and 172,590.18 is: 258,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,823.67 : 932,631.17 = 172,590.18 : x
  2. Step 2: Convert to fraction form
    621,823.67/932,631.17 = 172,590.18/x
  3. Step 3: Cross multiply
    621,823.67x = 932,631.17 × 172,590.18
  4. Step 4: Simplify right side
    621,823.67x = 160,962,977,143.59
  5. Step 5: Solve for x
    x = 160,962,977,143.59/621,823.67
  6. Step 6: Final answer
    x = 258,856.30

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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.