Home / 1,207,100.16-1,810,930.47-354,137.37

Finding the Fourth Proportional to 1,207,100.16, 1,810,930.47 and 354,137.37

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Solution

The fourth proportional to 1,207,100.16, 1,810,930.47 and 354,137.37 is: 531,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,100.16 : 1,810,930.47 = 354,137.37 : x
  2. Step 2: Convert to fraction form
    1,207,100.16/1,810,930.47 = 354,137.37/x
  3. Step 3: Cross multiply
    1,207,100.16x = 1,810,930.47 × 354,137.37
  4. Step 4: Simplify right side
    1,207,100.16x = 641,318,153,898.66
  5. Step 5: Solve for x
    x = 641,318,153,898.66/1,207,100.16
  6. Step 6: Final answer
    x = 531,288.27

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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.