Home / 1,367,015.85-1,886,539.19-786,239.15

Finding the Fourth Proportional to 1,367,015.85, 1,886,539.19 and 786,239.15

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Solution

The fourth proportional to 1,367,015.85, 1,886,539.19 and 786,239.15 is: 1,085,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,015.85 : 1,886,539.19 = 786,239.15 : x
  2. Step 2: Convert to fraction form
    1,367,015.85/1,886,539.19 = 786,239.15/x
  3. Step 3: Cross multiply
    1,367,015.85x = 1,886,539.19 × 786,239.15
  4. Step 4: Simplify right side
    1,367,015.85x = 1,483,270,955,823.40
  5. Step 5: Solve for x
    x = 1,483,270,955,823.40/1,367,015.85
  6. Step 6: Final answer
    x = 1,085,042.98

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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.