Home / 988,181.40-1,363,189.48-624,993.60

Finding the Fourth Proportional to 988,181.40, 1,363,189.48 and 624,993.60

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Solution

The fourth proportional to 988,181.40, 1,363,189.48 and 624,993.60 is: 862,174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,181.40 : 1,363,189.48 = 624,993.60 : x
  2. Step 2: Convert to fraction form
    988,181.40/1,363,189.48 = 624,993.60/x
  3. Step 3: Cross multiply
    988,181.40x = 1,363,189.48 × 624,993.60
  4. Step 4: Simplify right side
    988,181.40x = 851,984,700,587.33
  5. Step 5: Solve for x
    x = 851,984,700,587.33/988,181.40
  6. Step 6: Final answer
    x = 862,174.39

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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.