Home / 1,097,129.16-1,514,972.70-689,912.46

Finding the Fourth Proportional to 1,097,129.16, 1,514,972.70 and 689,912.46

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Solution

The fourth proportional to 1,097,129.16, 1,514,972.70 and 689,912.46 is: 952,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,129.16 : 1,514,972.70 = 689,912.46 : x
  2. Step 2: Convert to fraction form
    1,097,129.16/1,514,972.70 = 689,912.46/x
  3. Step 3: Cross multiply
    1,097,129.16x = 1,514,972.70 × 689,912.46
  4. Step 4: Simplify right side
    1,097,129.16x = 1,045,198,542,289.84
  5. Step 5: Solve for x
    x = 1,045,198,542,289.84/1,097,129.16
  6. Step 6: Final answer
    x = 952,666.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.