Home / 1,371,684.51-1,893,848.92-856,223.19

Finding the Fourth Proportional to 1,371,684.51, 1,893,848.92 and 856,223.19

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Solution

The fourth proportional to 1,371,684.51, 1,893,848.92 and 856,223.19 is: 1,182,164.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,684.51 : 1,893,848.92 = 856,223.19 : x
  2. Step 2: Convert to fraction form
    1,371,684.51/1,893,848.92 = 856,223.19/x
  3. Step 3: Cross multiply
    1,371,684.51x = 1,893,848.92 × 856,223.19
  4. Step 4: Simplify right side
    1,371,684.51x = 1,621,557,361,519.90
  5. Step 5: Solve for x
    x = 1,621,557,361,519.90/1,371,684.51
  6. Step 6: Final answer
    x = 1,182,164.96

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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.