Home / 813,543.56-1,220,361.82-273,583.16

Finding the Fourth Proportional to 813,543.56, 1,220,361.82 and 273,583.16

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Solution

The fourth proportional to 813,543.56, 1,220,361.82 and 273,583.16 is: 410,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,543.56 : 1,220,361.82 = 273,583.16 : x
  2. Step 2: Convert to fraction form
    813,543.56/1,220,361.82 = 273,583.16/x
  3. Step 3: Cross multiply
    813,543.56x = 1,220,361.82 × 273,583.16
  4. Step 4: Simplify right side
    813,543.56x = 333,870,443,058.95
  5. Step 5: Solve for x
    x = 333,870,443,058.95/813,543.56
  6. Step 6: Final answer
    x = 410,390.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.