Home / 648,297.22-972,410.68-199,018.18

Finding the Fourth Proportional to 648,297.22, 972,410.68 and 199,018.18

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Solution

The fourth proportional to 648,297.22, 972,410.68 and 199,018.18 is: 298,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,297.22 : 972,410.68 = 199,018.18 : x
  2. Step 2: Convert to fraction form
    648,297.22/972,410.68 = 199,018.18/x
  3. Step 3: Cross multiply
    648,297.22x = 972,410.68 × 199,018.18
  4. Step 4: Simplify right side
    648,297.22x = 193,527,403,746.16
  5. Step 5: Solve for x
    x = 193,527,403,746.16/648,297.22
  6. Step 6: Final answer
    x = 298,516.48

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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.