Home / 1,173,064.32-1,618,631.64-683,137.44

Finding the Fourth Proportional to 1,173,064.32, 1,618,631.64 and 683,137.44

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Solution

The fourth proportional to 1,173,064.32, 1,618,631.64 and 683,137.44 is: 942,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,064.32 : 1,618,631.64 = 683,137.44 : x
  2. Step 2: Convert to fraction form
    1,173,064.32/1,618,631.64 = 683,137.44/x
  3. Step 3: Cross multiply
    1,173,064.32x = 1,618,631.64 × 683,137.44
  4. Step 4: Simplify right side
    1,173,064.32x = 1,105,747,874,852.60
  5. Step 5: Solve for x
    x = 1,105,747,874,852.60/1,173,064.32
  6. Step 6: Final answer
    x = 942,614.87

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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.