Home / 1,070,856.20-1,606,284.30-818,913.80

Finding the Fourth Proportional to 1,070,856.20, 1,606,284.30 and 818,913.80

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Solution

The fourth proportional to 1,070,856.20, 1,606,284.30 and 818,913.80 is: 1,228,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,856.20 : 1,606,284.30 = 818,913.80 : x
  2. Step 2: Convert to fraction form
    1,070,856.20/1,606,284.30 = 818,913.80/x
  3. Step 3: Cross multiply
    1,070,856.20x = 1,606,284.30 × 818,913.80
  4. Step 4: Simplify right side
    1,070,856.20x = 1,315,408,379,993.34
  5. Step 5: Solve for x
    x = 1,315,408,379,993.34/1,070,856.20
  6. Step 6: Final answer
    x = 1,228,370.70

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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.