Home / 547,964.01-821,868.39-188,128.98

Finding the Fourth Proportional to 547,964.01, 821,868.39 and 188,128.98

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Solution

The fourth proportional to 547,964.01, 821,868.39 and 188,128.98 is: 282,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,964.01 : 821,868.39 = 188,128.98 : x
  2. Step 2: Convert to fraction form
    547,964.01/821,868.39 = 188,128.98/x
  3. Step 3: Cross multiply
    547,964.01x = 821,868.39 × 188,128.98
  4. Step 4: Simplify right side
    547,964.01x = 154,617,261,904.94
  5. Step 5: Solve for x
    x = 154,617,261,904.94/547,964.01
  6. Step 6: Final answer
    x = 282,166.82

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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.