Home / 862,078.33-1,189,705.01-480,105.11

Finding the Fourth Proportional to 862,078.33, 1,189,705.01 and 480,105.11

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Solution

The fourth proportional to 862,078.33, 1,189,705.01 and 480,105.11 is: 662,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,078.33 : 1,189,705.01 = 480,105.11 : x
  2. Step 2: Convert to fraction form
    862,078.33/1,189,705.01 = 480,105.11/x
  3. Step 3: Cross multiply
    862,078.33x = 1,189,705.01 × 480,105.11
  4. Step 4: Simplify right side
    862,078.33x = 571,183,455,267.34
  5. Step 5: Solve for x
    x = 571,183,455,267.34/862,078.33
  6. Step 6: Final answer
    x = 662,565.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.