Home / 901,431.34-1,244,818.20-579,700

Finding the Fourth Proportional to 901,431.34, 1,244,818.20 and 579,700

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Solution

The fourth proportional to 901,431.34, 1,244,818.20 and 579,700 is: 800,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,431.34 : 1,244,818.20 = 579,700 : x
  2. Step 2: Convert to fraction form
    901,431.34/1,244,818.20 = 579,700/x
  3. Step 3: Cross multiply
    901,431.34x = 1,244,818.20 × 579,700
  4. Step 4: Simplify right side
    901,431.34x = 721,621,110,540
  5. Step 5: Solve for x
    x = 721,621,110,540/901,431.34
  6. Step 6: Final answer
    x = 800,528.09

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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.