Home / 876,144.84-1,314,218.54-211,296.84

Finding the Fourth Proportional to 876,144.84, 1,314,218.54 and 211,296.84

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Solution

The fourth proportional to 876,144.84, 1,314,218.54 and 211,296.84 is: 316,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,144.84 : 1,314,218.54 = 211,296.84 : x
  2. Step 2: Convert to fraction form
    876,144.84/1,314,218.54 = 211,296.84/x
  3. Step 3: Cross multiply
    876,144.84x = 1,314,218.54 × 211,296.84
  4. Step 4: Simplify right side
    876,144.84x = 277,690,224,571.41
  5. Step 5: Solve for x
    x = 277,690,224,571.41/876,144.84
  6. Step 6: Final answer
    x = 316,945.57

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1.5x scale

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.