Home / 405,838.47-560,036.65-222,073.06

Finding the Fourth Proportional to 405,838.47, 560,036.65 and 222,073.06

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Solution

The fourth proportional to 405,838.47, 560,036.65 and 222,073.06 is: 306,449.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,838.47 : 560,036.65 = 222,073.06 : x
  2. Step 2: Convert to fraction form
    405,838.47/560,036.65 = 222,073.06/x
  3. Step 3: Cross multiply
    405,838.47x = 560,036.65 × 222,073.06
  4. Step 4: Simplify right side
    405,838.47x = 124,369,052,577.65
  5. Step 5: Solve for x
    x = 124,369,052,577.65/405,838.47
  6. Step 6: Final answer
    x = 306,449.64

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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.