Home / 5,265,328.38-7,897,992.56-1,276,240.38

Finding the Fourth Proportional to 5,265,328.38, 7,897,992.56 and 1,276,240.38

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Solution

The fourth proportional to 5,265,328.38, 7,897,992.56 and 1,276,240.38 is: 1,914,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,328.38 : 7,897,992.56 = 1,276,240.38 : x
  2. Step 2: Convert to fraction form
    5,265,328.38/7,897,992.56 = 1,276,240.38/x
  3. Step 3: Cross multiply
    5,265,328.38x = 7,897,992.56 × 1,276,240.38
  4. Step 4: Simplify right side
    5,265,328.38x = 10,079,737,026,011.57
  5. Step 5: Solve for x
    x = 10,079,737,026,011.57/5,265,328.38
  6. Step 6: Final answer
    x = 1,914,360.57

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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.