Home / 1,122,504.39-1,683,756.59-412,225.11

Finding the Fourth Proportional to 1,122,504.39, 1,683,756.59 and 412,225.11

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Solution

The fourth proportional to 1,122,504.39, 1,683,756.59 and 412,225.11 is: 618,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,504.39 : 1,683,756.59 = 412,225.11 : x
  2. Step 2: Convert to fraction form
    1,122,504.39/1,683,756.59 = 412,225.11/x
  3. Step 3: Cross multiply
    1,122,504.39x = 1,683,756.59 × 412,225.11
  4. Step 4: Simplify right side
    1,122,504.39x = 694,086,743,464.85
  5. Step 5: Solve for x
    x = 694,086,743,464.85/1,122,504.39
  6. Step 6: Final answer
    x = 618,337.67

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Half scale
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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.