Home / 1,057,912.40-1,586,544.60-347,776.40

Finding the Fourth Proportional to 1,057,912.40, 1,586,544.60 and 347,776.40

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Solution

The fourth proportional to 1,057,912.40, 1,586,544.60 and 347,776.40 is: 521,558.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,912.40 : 1,586,544.60 = 347,776.40 : x
  2. Step 2: Convert to fraction form
    1,057,912.40/1,586,544.60 = 347,776.40/x
  3. Step 3: Cross multiply
    1,057,912.40x = 1,586,544.60 × 347,776.40
  4. Step 4: Simplify right side
    1,057,912.40x = 551,762,769,427.44
  5. Step 5: Solve for x
    x = 551,762,769,427.44/1,057,912.40
  6. Step 6: Final answer
    x = 521,558.09

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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.