Home / 1,231,097.60-1,846,905.60-389,734.40

Finding the Fourth Proportional to 1,231,097.60, 1,846,905.60 and 389,734.40

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Solution

The fourth proportional to 1,231,097.60, 1,846,905.60 and 389,734.40 is: 584,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,097.60 : 1,846,905.60 = 389,734.40 : x
  2. Step 2: Convert to fraction form
    1,231,097.60/1,846,905.60 = 389,734.40/x
  3. Step 3: Cross multiply
    1,231,097.60x = 1,846,905.60 × 389,734.40
  4. Step 4: Simplify right side
    1,231,097.60x = 719,802,645,872.64
  5. Step 5: Solve for x
    x = 719,802,645,872.64/1,231,097.60
  6. Step 6: Final answer
    x = 584,683.66

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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.