Home / 819,058.84-1,228,583.40-211,847.20

Finding the Fourth Proportional to 819,058.84, 1,228,583.40 and 211,847.20

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Solution

The fourth proportional to 819,058.84, 1,228,583.40 and 211,847.20 is: 317,769.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,058.84 : 1,228,583.40 = 211,847.20 : x
  2. Step 2: Convert to fraction form
    819,058.84/1,228,583.40 = 211,847.20/x
  3. Step 3: Cross multiply
    819,058.84x = 1,228,583.40 × 211,847.20
  4. Step 4: Simplify right side
    819,058.84x = 260,271,953,256.48
  5. Step 5: Solve for x
    x = 260,271,953,256.48/819,058.84
  6. Step 6: Final answer
    x = 317,769.54

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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.