Home / 985,171.70-1,477,141.23-416,258.42

Finding the Fourth Proportional to 985,171.70, 1,477,141.23 and 416,258.42

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Solution

The fourth proportional to 985,171.70, 1,477,141.23 and 416,258.42 is: 624,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,171.70 : 1,477,141.23 = 416,258.42 : x
  2. Step 2: Convert to fraction form
    985,171.70/1,477,141.23 = 416,258.42/x
  3. Step 3: Cross multiply
    985,171.70x = 1,477,141.23 × 416,258.42
  4. Step 4: Simplify right side
    985,171.70x = 614,872,474,516.66
  5. Step 5: Solve for x
    x = 614,872,474,516.66/985,171.70
  6. Step 6: Final answer
    x = 624,127.22

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Double scale
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Similar ratio
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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.