Home / 893,969.40-1,339,787.70-414,141.60

Finding the Fourth Proportional to 893,969.40, 1,339,787.70 and 414,141.60

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Solution

The fourth proportional to 893,969.40, 1,339,787.70 and 414,141.60 is: 620,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,969.40 : 1,339,787.70 = 414,141.60 : x
  2. Step 2: Convert to fraction form
    893,969.40/1,339,787.70 = 414,141.60/x
  3. Step 3: Cross multiply
    893,969.40x = 1,339,787.70 × 414,141.60
  4. Step 4: Simplify right side
    893,969.40x = 554,861,821,738.32
  5. Step 5: Solve for x
    x = 554,861,821,738.32/893,969.40
  6. Step 6: Final answer
    x = 620,672.05

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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.