Home / 1,683,123.06-2,322,718.32-919,176.60

Finding the Fourth Proportional to 1,683,123.06, 2,322,718.32 and 919,176.60

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Solution

The fourth proportional to 1,683,123.06, 2,322,718.32 and 919,176.60 is: 1,268,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,123.06 : 2,322,718.32 = 919,176.60 : x
  2. Step 2: Convert to fraction form
    1,683,123.06/2,322,718.32 = 919,176.60/x
  3. Step 3: Cross multiply
    1,683,123.06x = 2,322,718.32 × 919,176.60
  4. Step 4: Simplify right side
    1,683,123.06x = 2,134,988,328,135.31
  5. Step 5: Solve for x
    x = 2,134,988,328,135.31/1,683,123.06
  6. Step 6: Final answer
    x = 1,268,468.35

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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.