Home / 847,383.66-1,271,119.23-216,302.94

Finding the Fourth Proportional to 847,383.66, 1,271,119.23 and 216,302.94

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Solution

The fourth proportional to 847,383.66, 1,271,119.23 and 216,302.94 is: 324,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,383.66 : 1,271,119.23 = 216,302.94 : x
  2. Step 2: Convert to fraction form
    847,383.66/1,271,119.23 = 216,302.94/x
  3. Step 3: Cross multiply
    847,383.66x = 1,271,119.23 × 216,302.94
  4. Step 4: Simplify right side
    847,383.66x = 274,946,826,539.54
  5. Step 5: Solve for x
    x = 274,946,826,539.54/847,383.66
  6. Step 6: Final answer
    x = 324,465.58

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Double scale
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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.