Home / 1,294,055.60-1,941,083.40-819,330.80

Finding the Fourth Proportional to 1,294,055.60, 1,941,083.40 and 819,330.80

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Solution

The fourth proportional to 1,294,055.60, 1,941,083.40 and 819,330.80 is: 1,228,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,055.60 : 1,941,083.40 = 819,330.80 : x
  2. Step 2: Convert to fraction form
    1,294,055.60/1,941,083.40 = 819,330.80/x
  3. Step 3: Cross multiply
    1,294,055.60x = 1,941,083.40 × 819,330.80
  4. Step 4: Simplify right side
    1,294,055.60x = 1,590,389,414,988.72
  5. Step 5: Solve for x
    x = 1,590,389,414,988.72/1,294,055.60
  6. Step 6: Final answer
    x = 1,228,996.20

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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.