Home / 621,813.24-932,719.86-172,534.19

Finding the Fourth Proportional to 621,813.24, 932,719.86 and 172,534.19

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Solution

The fourth proportional to 621,813.24, 932,719.86 and 172,534.19 is: 258,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,813.24 : 932,719.86 = 172,534.19 : x
  2. Step 2: Convert to fraction form
    621,813.24/932,719.86 = 172,534.19/x
  3. Step 3: Cross multiply
    621,813.24x = 932,719.86 × 172,534.19
  4. Step 4: Simplify right side
    621,813.24x = 160,926,060,878.41
  5. Step 5: Solve for x
    x = 160,926,060,878.41/621,813.24
  6. Step 6: Final answer
    x = 258,801.28

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Double scale
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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.