Home / 1,260,599.89-1,890,916.29-419,151.64

Finding the Fourth Proportional to 1,260,599.89, 1,890,916.29 and 419,151.64

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Solution

The fourth proportional to 1,260,599.89, 1,890,916.29 and 419,151.64 is: 628,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,599.89 : 1,890,916.29 = 419,151.64 : x
  2. Step 2: Convert to fraction form
    1,260,599.89/1,890,916.29 = 419,151.64/x
  3. Step 3: Cross multiply
    1,260,599.89x = 1,890,916.29 × 419,151.64
  4. Step 4: Simplify right side
    1,260,599.89x = 792,580,664,056.22
  5. Step 5: Solve for x
    x = 792,580,664,056.22/1,260,599.89
  6. Step 6: Final answer
    x = 628,732.93

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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.