Home / 911,635.60-1,367,453.40-628,200.40

Finding the Fourth Proportional to 911,635.60, 1,367,453.40 and 628,200.40

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Solution

The fourth proportional to 911,635.60, 1,367,453.40 and 628,200.40 is: 942,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,635.60 : 1,367,453.40 = 628,200.40 : x
  2. Step 2: Convert to fraction form
    911,635.60/1,367,453.40 = 628,200.40/x
  3. Step 3: Cross multiply
    911,635.60x = 1,367,453.40 × 628,200.40
  4. Step 4: Simplify right side
    911,635.60x = 859,034,772,861.36
  5. Step 5: Solve for x
    x = 859,034,772,861.36/911,635.60
  6. Step 6: Final answer
    x = 942,300.60

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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.