Home / 698,906.89-1,048,243.54-193,518.95

Finding the Fourth Proportional to 698,906.89, 1,048,243.54 and 193,518.95

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Solution

The fourth proportional to 698,906.89, 1,048,243.54 and 193,518.95 is: 290,246.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,906.89 : 1,048,243.54 = 193,518.95 : x
  2. Step 2: Convert to fraction form
    698,906.89/1,048,243.54 = 193,518.95/x
  3. Step 3: Cross multiply
    698,906.89x = 1,048,243.54 × 193,518.95
  4. Step 4: Simplify right side
    698,906.89x = 202,854,989,688.88
  5. Step 5: Solve for x
    x = 202,854,989,688.88/698,906.89
  6. Step 6: Final answer
    x = 290,246.09

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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.