Home / 1,236,415.73-1,706,838.08-828,783.83

Finding the Fourth Proportional to 1,236,415.73, 1,706,838.08 and 828,783.83

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Solution

The fourth proportional to 1,236,415.73, 1,706,838.08 and 828,783.83 is: 1,144,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,415.73 : 1,706,838.08 = 828,783.83 : x
  2. Step 2: Convert to fraction form
    1,236,415.73/1,706,838.08 = 828,783.83/x
  3. Step 3: Cross multiply
    1,236,415.73x = 1,706,838.08 × 828,783.83
  4. Step 4: Simplify right side
    1,236,415.73x = 1,414,599,801,255.42
  5. Step 5: Solve for x
    x = 1,414,599,801,255.42/1,236,415.73
  6. Step 6: Final answer
    x = 1,144,113.40

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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.