Home / 621,556.08-931,205.16-284,876.88

Finding the Fourth Proportional to 621,556.08, 931,205.16 and 284,876.88

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Solution

The fourth proportional to 621,556.08, 931,205.16 and 284,876.88 is: 426,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,556.08 : 931,205.16 = 284,876.88 : x
  2. Step 2: Convert to fraction form
    621,556.08/931,205.16 = 284,876.88/x
  3. Step 3: Cross multiply
    621,556.08x = 931,205.16 × 284,876.88
  4. Step 4: Simplify right side
    621,556.08x = 265,278,820,620.70
  5. Step 5: Solve for x
    x = 265,278,820,620.70/621,556.08
  6. Step 6: Final answer
    x = 426,797.89

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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.