Home / 1,431,445.73-1,975,419.66-786,893.09

Finding the Fourth Proportional to 1,431,445.73, 1,975,419.66 and 786,893.09

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Solution

The fourth proportional to 1,431,445.73, 1,975,419.66 and 786,893.09 is: 1,085,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,445.73 : 1,975,419.66 = 786,893.09 : x
  2. Step 2: Convert to fraction form
    1,431,445.73/1,975,419.66 = 786,893.09/x
  3. Step 3: Cross multiply
    1,431,445.73x = 1,975,419.66 × 786,893.09
  4. Step 4: Simplify right side
    1,431,445.73x = 1,554,444,080,304.15
  5. Step 5: Solve for x
    x = 1,554,444,080,304.15/1,431,445.73
  6. Step 6: Final answer
    x = 1,085,925.96

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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.