Home / 621,823.61-932,631.07-172,590.12

Finding the Fourth Proportional to 621,823.61, 932,631.07 and 172,590.12

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Solution

The fourth proportional to 621,823.61, 932,631.07 and 172,590.12 is: 258,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,823.61 : 932,631.07 = 172,590.12 : x
  2. Step 2: Convert to fraction form
    621,823.61/932,631.07 = 172,590.12/x
  3. Step 3: Cross multiply
    621,823.61x = 932,631.07 × 172,590.12
  4. Step 4: Simplify right side
    621,823.61x = 160,962,903,623.87
  5. Step 5: Solve for x
    x = 160,962,903,623.87/621,823.61
  6. Step 6: Final answer
    x = 258,856.21

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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.