Home / 876,199.84-1,314,301.20-211,351.84

Finding the Fourth Proportional to 876,199.84, 1,314,301.20 and 211,351.84

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Solution

The fourth proportional to 876,199.84, 1,314,301.20 and 211,351.84 is: 317,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,199.84 : 1,314,301.20 = 211,351.84 : x
  2. Step 2: Convert to fraction form
    876,199.84/1,314,301.20 = 211,351.84/x
  3. Step 3: Cross multiply
    876,199.84x = 1,314,301.20 × 211,351.84
  4. Step 4: Simplify right side
    876,199.84x = 277,779,976,934.21
  5. Step 5: Solve for x
    x = 277,779,976,934.21/876,199.84
  6. Step 6: Final answer
    x = 317,028.11

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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.