Home / 980,371.40-1,471,816.48-755,874.44

Finding the Fourth Proportional to 980,371.40, 1,471,816.48 and 755,874.44

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Solution

The fourth proportional to 980,371.40, 1,471,816.48 and 755,874.44 is: 1,134,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,371.40 : 1,471,816.48 = 755,874.44 : x
  2. Step 2: Convert to fraction form
    980,371.40/1,471,816.48 = 755,874.44/x
  3. Step 3: Cross multiply
    980,371.40x = 1,471,816.48 × 755,874.44
  4. Step 4: Simplify right side
    980,371.40x = 1,112,508,457,602.77
  5. Step 5: Solve for x
    x = 1,112,508,457,602.77/980,371.40
  6. Step 6: Final answer
    x = 1,134,782.65

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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.