Home / 1,266,038.28-1,898,102.34-412,600.30

Finding the Fourth Proportional to 1,266,038.28, 1,898,102.34 and 412,600.30

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Solution

The fourth proportional to 1,266,038.28, 1,898,102.34 and 412,600.30 is: 618,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,038.28 : 1,898,102.34 = 412,600.30 : x
  2. Step 2: Convert to fraction form
    1,266,038.28/1,898,102.34 = 412,600.30/x
  3. Step 3: Cross multiply
    1,266,038.28x = 1,898,102.34 × 412,600.30
  4. Step 4: Simplify right side
    1,266,038.28x = 783,157,590,169.45
  5. Step 5: Solve for x
    x = 783,157,590,169.45/1,266,038.28
  6. Step 6: Final answer
    x = 618,589.19

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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.