Home / 625,336.20-937,785.60-325,717.20

Finding the Fourth Proportional to 625,336.20, 937,785.60 and 325,717.20

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Solution

The fourth proportional to 625,336.20, 937,785.60 and 325,717.20 is: 488,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,336.20 : 937,785.60 = 325,717.20 : x
  2. Step 2: Convert to fraction form
    625,336.20/937,785.60 = 325,717.20/x
  3. Step 3: Cross multiply
    625,336.20x = 937,785.60 × 325,717.20
  4. Step 4: Simplify right side
    625,336.20x = 305,452,899,832.32
  5. Step 5: Solve for x
    x = 305,452,899,832.32/625,336.20
  6. Step 6: Final answer
    x = 488,461.89

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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.