Home / 853,694.40-1,280,541.60-804,705.60

Finding the Fourth Proportional to 853,694.40, 1,280,541.60 and 804,705.60

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Solution

The fourth proportional to 853,694.40, 1,280,541.60 and 804,705.60 is: 1,207,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,694.40 : 1,280,541.60 = 804,705.60 : x
  2. Step 2: Convert to fraction form
    853,694.40/1,280,541.60 = 804,705.60/x
  3. Step 3: Cross multiply
    853,694.40x = 1,280,541.60 × 804,705.60
  4. Step 4: Simplify right side
    853,694.40x = 1,030,458,996,552.96
  5. Step 5: Solve for x
    x = 1,030,458,996,552.96/853,694.40
  6. Step 6: Final answer
    x = 1,207,058.40

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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.