Home / 1,511,622.18-2,085,942.87-832,558.68

Finding the Fourth Proportional to 1,511,622.18, 2,085,942.87 and 832,558.68

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Solution

The fourth proportional to 1,511,622.18, 2,085,942.87 and 832,558.68 is: 1,148,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,622.18 : 2,085,942.87 = 832,558.68 : x
  2. Step 2: Convert to fraction form
    1,511,622.18/2,085,942.87 = 832,558.68/x
  3. Step 3: Cross multiply
    1,511,622.18x = 2,085,942.87 × 832,558.68
  4. Step 4: Simplify right side
    1,511,622.18x = 1,736,669,842,402.61
  5. Step 5: Solve for x
    x = 1,736,669,842,402.61/1,511,622.18
  6. Step 6: Final answer
    x = 1,148,878.25

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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.