Home / 1,851,383.40-2,776,530.78-786,417

Finding the Fourth Proportional to 1,851,383.40, 2,776,530.78 and 786,417

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Solution

The fourth proportional to 1,851,383.40, 2,776,530.78 and 786,417 is: 1,179,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,383.40 : 2,776,530.78 = 786,417 : x
  2. Step 2: Convert to fraction form
    1,851,383.40/2,776,530.78 = 786,417/x
  3. Step 3: Cross multiply
    1,851,383.40x = 2,776,530.78 × 786,417
  4. Step 4: Simplify right side
    1,851,383.40x = 2,183,511,006,415.26
  5. Step 5: Solve for x
    x = 2,183,511,006,415.26/1,851,383.40
  6. Step 6: Final answer
    x = 1,179,394.29

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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.