Home / 1,138,573.96-1,705,498.86-663,819.40

Finding the Fourth Proportional to 1,138,573.96, 1,705,498.86 and 663,819.40

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Solution

The fourth proportional to 1,138,573.96, 1,705,498.86 and 663,819.40 is: 994,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,573.96 : 1,705,498.86 = 663,819.40 : x
  2. Step 2: Convert to fraction form
    1,138,573.96/1,705,498.86 = 663,819.40/x
  3. Step 3: Cross multiply
    1,138,573.96x = 1,705,498.86 × 663,819.40
  4. Step 4: Simplify right side
    1,138,573.96x = 1,132,143,229,945.88
  5. Step 5: Solve for x
    x = 1,132,143,229,945.88/1,138,573.96
  6. Step 6: Final answer
    x = 994,351.94

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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.