Home / 993,465.92-1,371,063.84-557,873.60

Finding the Fourth Proportional to 993,465.92, 1,371,063.84 and 557,873.60

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Solution

The fourth proportional to 993,465.92, 1,371,063.84 and 557,873.60 is: 769,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,465.92 : 1,371,063.84 = 557,873.60 : x
  2. Step 2: Convert to fraction form
    993,465.92/1,371,063.84 = 557,873.60/x
  3. Step 3: Cross multiply
    993,465.92x = 1,371,063.84 × 557,873.60
  4. Step 4: Simplify right side
    993,465.92x = 764,880,320,250.62
  5. Step 5: Solve for x
    x = 764,880,320,250.62/993,465.92
  6. Step 6: Final answer
    x = 769,910.98

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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.