Home / 1,145,668.14-1,581,072.08-636,370.52

Finding the Fourth Proportional to 1,145,668.14, 1,581,072.08 and 636,370.52

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Solution

The fourth proportional to 1,145,668.14, 1,581,072.08 and 636,370.52 is: 878,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,668.14 : 1,581,072.08 = 636,370.52 : x
  2. Step 2: Convert to fraction form
    1,145,668.14/1,581,072.08 = 636,370.52/x
  3. Step 3: Cross multiply
    1,145,668.14x = 1,581,072.08 × 636,370.52
  4. Step 4: Simplify right side
    1,145,668.14x = 1,006,147,650,619.87
  5. Step 5: Solve for x
    x = 1,006,147,650,619.87/1,145,668.14
  6. Step 6: Final answer
    x = 878,219.11

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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.