Home / 916,120.08-1,374,589.08-355,198.32

Finding the Fourth Proportional to 916,120.08, 1,374,589.08 and 355,198.32

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Solution

The fourth proportional to 916,120.08, 1,374,589.08 and 355,198.32 is: 532,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,120.08 : 1,374,589.08 = 355,198.32 : x
  2. Step 2: Convert to fraction form
    916,120.08/1,374,589.08 = 355,198.32/x
  3. Step 3: Cross multiply
    916,120.08x = 1,374,589.08 × 355,198.32
  4. Step 4: Simplify right side
    916,120.08x = 488,251,731,906.35
  5. Step 5: Solve for x
    x = 488,251,731,906.35/916,120.08
  6. Step 6: Final answer
    x = 532,956.04

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Double scale
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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.