Home / 1,265,570.37-1,898,553.02-412,443.54

Finding the Fourth Proportional to 1,265,570.37, 1,898,553.02 and 412,443.54

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Solution

The fourth proportional to 1,265,570.37, 1,898,553.02 and 412,443.54 is: 618,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,570.37 : 1,898,553.02 = 412,443.54 : x
  2. Step 2: Convert to fraction form
    1,265,570.37/1,898,553.02 = 412,443.54/x
  3. Step 3: Cross multiply
    1,265,570.37x = 1,898,553.02 × 412,443.54
  4. Step 4: Simplify right side
    1,265,570.37x = 783,045,926,384.27
  5. Step 5: Solve for x
    x = 783,045,926,384.27/1,265,570.37
  6. Step 6: Final answer
    x = 618,729.66

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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.