Home / 494,066.59-681,817.23-290,119.93

Finding the Fourth Proportional to 494,066.59, 681,817.23 and 290,119.93

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Solution

The fourth proportional to 494,066.59, 681,817.23 and 290,119.93 is: 400,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,066.59 : 681,817.23 = 290,119.93 : x
  2. Step 2: Convert to fraction form
    494,066.59/681,817.23 = 290,119.93/x
  3. Step 3: Cross multiply
    494,066.59x = 681,817.23 × 290,119.93
  4. Step 4: Simplify right side
    494,066.59x = 197,808,765,335.85
  5. Step 5: Solve for x
    x = 197,808,765,335.85/494,066.59
  6. Step 6: Final answer
    x = 400,368.64

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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.