Home / 1,314,906.90-1,971,208.35-892,814.10

Finding the Fourth Proportional to 1,314,906.90, 1,971,208.35 and 892,814.10

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Solution

The fourth proportional to 1,314,906.90, 1,971,208.35 and 892,814.10 is: 1,338,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,906.90 : 1,971,208.35 = 892,814.10 : x
  2. Step 2: Convert to fraction form
    1,314,906.90/1,971,208.35 = 892,814.10/x
  3. Step 3: Cross multiply
    1,314,906.90x = 1,971,208.35 × 892,814.10
  4. Step 4: Simplify right side
    1,314,906.90x = 1,759,922,608,917.74
  5. Step 5: Solve for x
    x = 1,759,922,608,917.74/1,314,906.90
  6. Step 6: Final answer
    x = 1,338,438.95

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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.