Home / 1,186,091.38-1,636,803.66-642,227

Finding the Fourth Proportional to 1,186,091.38, 1,636,803.66 and 642,227

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Solution

The fourth proportional to 1,186,091.38, 1,636,803.66 and 642,227 is: 886,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,091.38 : 1,636,803.66 = 642,227 : x
  2. Step 2: Convert to fraction form
    1,186,091.38/1,636,803.66 = 642,227/x
  3. Step 3: Cross multiply
    1,186,091.38x = 1,636,803.66 × 642,227
  4. Step 4: Simplify right side
    1,186,091.38x = 1,051,199,504,150.82
  5. Step 5: Solve for x
    x = 1,051,199,504,150.82/1,186,091.38
  6. Step 6: Final answer
    x = 886,271.94

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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.