Home / 1,683,392.60-2,323,081.76-919,447.98

Finding the Fourth Proportional to 1,683,392.60, 2,323,081.76 and 919,447.98

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Solution

The fourth proportional to 1,683,392.60, 2,323,081.76 and 919,447.98 is: 1,268,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,392.60 : 2,323,081.76 = 919,447.98 : x
  2. Step 2: Convert to fraction form
    1,683,392.60/2,323,081.76 = 919,447.98/x
  3. Step 3: Cross multiply
    1,683,392.60x = 2,323,081.76 × 919,447.98
  4. Step 4: Simplify right side
    1,683,392.60x = 2,135,952,831,606.84
  5. Step 5: Solve for x
    x = 2,135,952,831,606.84/1,683,392.60
  6. Step 6: Final answer
    x = 1,268,838.20

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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.