Home / 1,266,951-1,748,370.78-693,989.40

Finding the Fourth Proportional to 1,266,951, 1,748,370.78 and 693,989.40

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Solution

The fourth proportional to 1,266,951, 1,748,370.78 and 693,989.40 is: 957,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,951 : 1,748,370.78 = 693,989.40 : x
  2. Step 2: Convert to fraction form
    1,266,951/1,748,370.78 = 693,989.40/x
  3. Step 3: Cross multiply
    1,266,951x = 1,748,370.78 × 693,989.40
  4. Step 4: Simplify right side
    1,266,951x = 1,213,350,788,589.73
  5. Step 5: Solve for x
    x = 1,213,350,788,589.73/1,266,951
  6. Step 6: Final answer
    x = 957,693.54

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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.