Home / 938,018.12-1,407,110.20-264,105.20

Finding the Fourth Proportional to 938,018.12, 1,407,110.20 and 264,105.20

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Solution

The fourth proportional to 938,018.12, 1,407,110.20 and 264,105.20 is: 396,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,018.12 : 1,407,110.20 = 264,105.20 : x
  2. Step 2: Convert to fraction form
    938,018.12/1,407,110.20 = 264,105.20/x
  3. Step 3: Cross multiply
    938,018.12x = 1,407,110.20 × 264,105.20
  4. Step 4: Simplify right side
    938,018.12x = 371,625,120,793.04
  5. Step 5: Solve for x
    x = 371,625,120,793.04/938,018.12
  6. Step 6: Final answer
    x = 396,181.17

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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.