Home / 621,823.60-932,735.40-172,543.60

Finding the Fourth Proportional to 621,823.60, 932,735.40 and 172,543.60

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Solution

The fourth proportional to 621,823.60, 932,735.40 and 172,543.60 is: 258,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,823.60 : 932,735.40 = 172,543.60 : x
  2. Step 2: Convert to fraction form
    621,823.60/932,735.40 = 172,543.60/x
  3. Step 3: Cross multiply
    621,823.60x = 932,735.40 × 172,543.60
  4. Step 4: Simplify right side
    621,823.60x = 160,937,523,763.44
  5. Step 5: Solve for x
    x = 160,937,523,763.44/621,823.60
  6. Step 6: Final answer
    x = 258,815.40

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Similar ratio
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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.