Home / 1,052,563.60-1,576,512.60-815,136.40

Finding the Fourth Proportional to 1,052,563.60, 1,576,512.60 and 815,136.40

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Solution

The fourth proportional to 1,052,563.60, 1,576,512.60 and 815,136.40 is: 1,220,898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,563.60 : 1,576,512.60 = 815,136.40 : x
  2. Step 2: Convert to fraction form
    1,052,563.60/1,576,512.60 = 815,136.40/x
  3. Step 3: Cross multiply
    1,052,563.60x = 1,576,512.60 × 815,136.40
  4. Step 4: Simplify right side
    1,052,563.60x = 1,285,072,805,318.64
  5. Step 5: Solve for x
    x = 1,285,072,805,318.64/1,052,563.60
  6. Step 6: Final answer
    x = 1,220,898.01

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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.