Home / 500,724.81-751,179.48-163,783.38

Finding the Fourth Proportional to 500,724.81, 751,179.48 and 163,783.38

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Solution

The fourth proportional to 500,724.81, 751,179.48 and 163,783.38 is: 245,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,724.81 : 751,179.48 = 163,783.38 : x
  2. Step 2: Convert to fraction form
    500,724.81/751,179.48 = 163,783.38/x
  3. Step 3: Cross multiply
    500,724.81x = 751,179.48 × 163,783.38
  4. Step 4: Simplify right side
    500,724.81x = 123,030,714,221.04
  5. Step 5: Solve for x
    x = 123,030,714,221.04/500,724.81
  6. Step 6: Final answer
    x = 245,705.25

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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.