Home / 1,405,199.48-1,939,212.90-853,727.48

Finding the Fourth Proportional to 1,405,199.48, 1,939,212.90 and 853,727.48

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Solution

The fourth proportional to 1,405,199.48, 1,939,212.90 and 853,727.48 is: 1,178,166.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,199.48 : 1,939,212.90 = 853,727.48 : x
  2. Step 2: Convert to fraction form
    1,405,199.48/1,939,212.90 = 853,727.48/x
  3. Step 3: Cross multiply
    1,405,199.48x = 1,939,212.90 × 853,727.48
  4. Step 4: Simplify right side
    1,405,199.48x = 1,655,559,342,300.49
  5. Step 5: Solve for x
    x = 1,655,559,342,300.49/1,405,199.48
  6. Step 6: Final answer
    x = 1,178,166.78

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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.