Home / 893,654.40-1,340,611.20-294,513.60

Finding the Fourth Proportional to 893,654.40, 1,340,611.20 and 294,513.60

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Solution

The fourth proportional to 893,654.40, 1,340,611.20 and 294,513.60 is: 441,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,654.40 : 1,340,611.20 = 294,513.60 : x
  2. Step 2: Convert to fraction form
    893,654.40/1,340,611.20 = 294,513.60/x
  3. Step 3: Cross multiply
    893,654.40x = 1,340,611.20 × 294,513.60
  4. Step 4: Simplify right side
    893,654.40x = 394,828,230,712.32
  5. Step 5: Solve for x
    x = 394,828,230,712.32/893,654.40
  6. Step 6: Final answer
    x = 441,813.11

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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.