Home / 996,706.80-1,374,977.16-724,352.40

Finding the Fourth Proportional to 996,706.80, 1,374,977.16 and 724,352.40

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Solution

The fourth proportional to 996,706.80, 1,374,977.16 and 724,352.40 is: 999,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,706.80 : 1,374,977.16 = 724,352.40 : x
  2. Step 2: Convert to fraction form
    996,706.80/1,374,977.16 = 724,352.40/x
  3. Step 3: Cross multiply
    996,706.80x = 1,374,977.16 × 724,352.40
  4. Step 4: Simplify right side
    996,706.80x = 995,968,005,791.18
  5. Step 5: Solve for x
    x = 995,968,005,791.18/996,706.80
  6. Step 6: Final answer
    x = 999,258.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.