Home / 621,614.10-932,576.33-216,812.13

Finding the Fourth Proportional to 621,614.10, 932,576.33 and 216,812.13

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Solution

The fourth proportional to 621,614.10, 932,576.33 and 216,812.13 is: 325,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,614.10 : 932,576.33 = 216,812.13 : x
  2. Step 2: Convert to fraction form
    621,614.10/932,576.33 = 216,812.13/x
  3. Step 3: Cross multiply
    621,614.10x = 932,576.33 × 216,812.13
  4. Step 4: Simplify right side
    621,614.10x = 202,193,860,494.88
  5. Step 5: Solve for x
    x = 202,193,860,494.88/621,614.10
  6. Step 6: Final answer
    x = 325,272.32

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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.