Home / 1,257,404.26-1,886,241.36-537,820.70

Finding the Fourth Proportional to 1,257,404.26, 1,886,241.36 and 537,820.70

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Solution

The fourth proportional to 1,257,404.26, 1,886,241.36 and 537,820.70 is: 806,788.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,404.26 : 1,886,241.36 = 537,820.70 : x
  2. Step 2: Convert to fraction form
    1,257,404.26/1,886,241.36 = 537,820.70/x
  3. Step 3: Cross multiply
    1,257,404.26x = 1,886,241.36 × 537,820.70
  4. Step 4: Simplify right side
    1,257,404.26x = 1,014,459,648,604.15
  5. Step 5: Solve for x
    x = 1,014,459,648,604.15/1,257,404.26
  6. Step 6: Final answer
    x = 806,788.78

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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.