Home / 773,086.76-1,066,823.56-428,919.03

Finding the Fourth Proportional to 773,086.76, 1,066,823.56 and 428,919.03

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Solution

The fourth proportional to 773,086.76, 1,066,823.56 and 428,919.03 is: 591,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,086.76 : 1,066,823.56 = 428,919.03 : x
  2. Step 2: Convert to fraction form
    773,086.76/1,066,823.56 = 428,919.03/x
  3. Step 3: Cross multiply
    773,086.76x = 1,066,823.56 × 428,919.03
  4. Step 4: Simplify right side
    773,086.76x = 457,580,926,536.35
  5. Step 5: Solve for x
    x = 457,580,926,536.35/773,086.76
  6. Step 6: Final answer
    x = 591,888.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.