Home / 1,519,449.84-2,096,895.60-840,391.20

Finding the Fourth Proportional to 1,519,449.84, 2,096,895.60 and 840,391.20

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Solution

The fourth proportional to 1,519,449.84, 2,096,895.60 and 840,391.20 is: 1,159,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,449.84 : 2,096,895.60 = 840,391.20 : x
  2. Step 2: Convert to fraction form
    1,519,449.84/2,096,895.60 = 840,391.20/x
  3. Step 3: Cross multiply
    1,519,449.84x = 2,096,895.60 × 840,391.20
  4. Step 4: Simplify right side
    1,519,449.84x = 1,762,212,609,558.72
  5. Step 5: Solve for x
    x = 1,762,212,609,558.72/1,519,449.84
  6. Step 6: Final answer
    x = 1,159,770.18

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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.