Home / 1,227,511.35-1,693,378.94-953,705.54

Finding the Fourth Proportional to 1,227,511.35, 1,693,378.94 and 953,705.54

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Solution

The fourth proportional to 1,227,511.35, 1,693,378.94 and 953,705.54 is: 1,315,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,511.35 : 1,693,378.94 = 953,705.54 : x
  2. Step 2: Convert to fraction form
    1,227,511.35/1,693,378.94 = 953,705.54/x
  3. Step 3: Cross multiply
    1,227,511.35x = 1,693,378.94 × 953,705.54
  4. Step 4: Simplify right side
    1,227,511.35x = 1,614,984,875,862.25
  5. Step 5: Solve for x
    x = 1,614,984,875,862.25/1,227,511.35
  6. Step 6: Final answer
    x = 1,315,657.79

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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.