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Finding the Fourth Proportional to 974,765.80, 1,462,148.70 and 887,674.60

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Solution

The fourth proportional to 974,765.80, 1,462,148.70 and 887,674.60 is: 1,331,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,765.80 : 1,462,148.70 = 887,674.60 : x
  2. Step 2: Convert to fraction form
    974,765.80/1,462,148.70 = 887,674.60/x
  3. Step 3: Cross multiply
    974,765.80x = 1,462,148.70 × 887,674.60
  4. Step 4: Simplify right side
    974,765.80x = 1,297,912,262,413.02
  5. Step 5: Solve for x
    x = 1,297,912,262,413.02/974,765.80
  6. Step 6: Final answer
    x = 1,331,511.90

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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.