Home / 698,996.48-1,048,497.42-212,683.38

Finding the Fourth Proportional to 698,996.48, 1,048,497.42 and 212,683.38

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Solution

The fourth proportional to 698,996.48, 1,048,497.42 and 212,683.38 is: 319,025.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,996.48 : 1,048,497.42 = 212,683.38 : x
  2. Step 2: Convert to fraction form
    698,996.48/1,048,497.42 = 212,683.38/x
  3. Step 3: Cross multiply
    698,996.48x = 1,048,497.42 × 212,683.38
  4. Step 4: Simplify right side
    698,996.48x = 222,997,975,206.88
  5. Step 5: Solve for x
    x = 222,997,975,206.88/698,996.48
  6. Step 6: Final answer
    x = 319,025.89

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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.