Home / 850,853.60-1,276,280.40-798,365.60

Finding the Fourth Proportional to 850,853.60, 1,276,280.40 and 798,365.60

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Solution

The fourth proportional to 850,853.60, 1,276,280.40 and 798,365.60 is: 1,197,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,853.60 : 1,276,280.40 = 798,365.60 : x
  2. Step 2: Convert to fraction form
    850,853.60/1,276,280.40 = 798,365.60/x
  3. Step 3: Cross multiply
    850,853.60x = 1,276,280.40 × 798,365.60
  4. Step 4: Simplify right side
    850,853.60x = 1,018,938,367,314.24
  5. Step 5: Solve for x
    x = 1,018,938,367,314.24/850,853.60
  6. Step 6: Final answer
    x = 1,197,548.40

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Similar ratio
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1.5x scale

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.