Home / 405,935.02-560,181.48-222,172.70

Finding the Fourth Proportional to 405,935.02, 560,181.48 and 222,172.70

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Solution

The fourth proportional to 405,935.02, 560,181.48 and 222,172.70 is: 306,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,935.02 : 560,181.48 = 222,172.70 : x
  2. Step 2: Convert to fraction form
    405,935.02/560,181.48 = 222,172.70/x
  3. Step 3: Cross multiply
    405,935.02x = 560,181.48 × 222,172.70
  4. Step 4: Simplify right side
    405,935.02x = 124,457,031,901.60
  5. Step 5: Solve for x
    x = 124,457,031,901.60/405,935.02
  6. Step 6: Final answer
    x = 306,593.48

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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.