Home / 769,663.96-1,062,183.42-430,159.32

Finding the Fourth Proportional to 769,663.96, 1,062,183.42 and 430,159.32

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Solution

The fourth proportional to 769,663.96, 1,062,183.42 and 430,159.32 is: 593,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,663.96 : 1,062,183.42 = 430,159.32 : x
  2. Step 2: Convert to fraction form
    769,663.96/1,062,183.42 = 430,159.32/x
  3. Step 3: Cross multiply
    769,663.96x = 1,062,183.42 × 430,159.32
  4. Step 4: Simplify right side
    769,663.96x = 456,908,097,662.47
  5. Step 5: Solve for x
    x = 456,908,097,662.47/769,663.96
  6. Step 6: Final answer
    x = 593,646.22

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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.