Home / 1,818,925.06-2,728,636.60-620,525.62

Finding the Fourth Proportional to 1,818,925.06, 2,728,636.60 and 620,525.62

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Solution

The fourth proportional to 1,818,925.06, 2,728,636.60 and 620,525.62 is: 930,873.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,925.06 : 2,728,636.60 = 620,525.62 : x
  2. Step 2: Convert to fraction form
    1,818,925.06/2,728,636.60 = 620,525.62/x
  3. Step 3: Cross multiply
    1,818,925.06x = 2,728,636.60 × 620,525.62
  4. Step 4: Simplify right side
    1,818,925.06x = 1,693,188,917,969.69
  5. Step 5: Solve for x
    x = 1,693,188,917,969.69/1,818,925.06
  6. Step 6: Final answer
    x = 930,873.38

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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.