Home / 1,159,206.60-1,738,809.90-839,872.20

Finding the Fourth Proportional to 1,159,206.60, 1,738,809.90 and 839,872.20

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Solution

The fourth proportional to 1,159,206.60, 1,738,809.90 and 839,872.20 is: 1,259,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,206.60 : 1,738,809.90 = 839,872.20 : x
  2. Step 2: Convert to fraction form
    1,159,206.60/1,738,809.90 = 839,872.20/x
  3. Step 3: Cross multiply
    1,159,206.60x = 1,738,809.90 × 839,872.20
  4. Step 4: Simplify right side
    1,159,206.60x = 1,460,378,096,094.78
  5. Step 5: Solve for x
    x = 1,460,378,096,094.78/1,159,206.60
  6. Step 6: Final answer
    x = 1,259,808.30

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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.