Home / 1,558,810.20-2,338,992.90-885,408.60

Finding the Fourth Proportional to 1,558,810.20, 2,338,992.90 and 885,408.60

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Solution

The fourth proportional to 1,558,810.20, 2,338,992.90 and 885,408.60 is: 1,328,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,810.20 : 2,338,992.90 = 885,408.60 : x
  2. Step 2: Convert to fraction form
    1,558,810.20/2,338,992.90 = 885,408.60/x
  3. Step 3: Cross multiply
    1,558,810.20x = 2,338,992.90 × 885,408.60
  4. Step 4: Simplify right side
    1,558,810.20x = 2,070,964,428,998.94
  5. Step 5: Solve for x
    x = 2,070,964,428,998.94/1,558,810.20
  6. Step 6: Final answer
    x = 1,328,554.58

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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.