Home / 1,102,939.64-1,522,023.55-612,907.51

Finding the Fourth Proportional to 1,102,939.64, 1,522,023.55 and 612,907.51

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Solution

The fourth proportional to 1,102,939.64, 1,522,023.55 and 612,907.51 is: 845,793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,939.64 : 1,522,023.55 = 612,907.51 : x
  2. Step 2: Convert to fraction form
    1,102,939.64/1,522,023.55 = 612,907.51/x
  3. Step 3: Cross multiply
    1,102,939.64x = 1,522,023.55 × 612,907.51
  4. Step 4: Simplify right side
    1,102,939.64x = 932,859,664,294.06
  5. Step 5: Solve for x
    x = 932,859,664,294.06/1,102,939.64
  6. Step 6: Final answer
    x = 845,793.94

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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.