Home / 993,753.40-1,490,630.10-769,804.60

Finding the Fourth Proportional to 993,753.40, 1,490,630.10 and 769,804.60

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Solution

The fourth proportional to 993,753.40, 1,490,630.10 and 769,804.60 is: 1,154,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,753.40 : 1,490,630.10 = 769,804.60 : x
  2. Step 2: Convert to fraction form
    993,753.40/1,490,630.10 = 769,804.60/x
  3. Step 3: Cross multiply
    993,753.40x = 1,490,630.10 × 769,804.60
  4. Step 4: Simplify right side
    993,753.40x = 1,147,493,907,878.46
  5. Step 5: Solve for x
    x = 1,147,493,907,878.46/993,753.40
  6. Step 6: Final answer
    x = 1,154,706.90

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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.