Home / 1,191,716.47-1,785,181.31-551,122.30

Finding the Fourth Proportional to 1,191,716.47, 1,785,181.31 and 551,122.30

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Solution

The fourth proportional to 1,191,716.47, 1,785,181.31 and 551,122.30 is: 825,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,716.47 : 1,785,181.31 = 551,122.30 : x
  2. Step 2: Convert to fraction form
    1,191,716.47/1,785,181.31 = 551,122.30/x
  3. Step 3: Cross multiply
    1,191,716.47x = 1,785,181.31 × 551,122.30
  4. Step 4: Simplify right side
    1,191,716.47x = 983,853,231,026.79
  5. Step 5: Solve for x
    x = 983,853,231,026.79/1,191,716.47
  6. Step 6: Final answer
    x = 825,576.60

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Double scale
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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.