Home / 1,245,338-1,867,666.68-446,471.12

Finding the Fourth Proportional to 1,245,338, 1,867,666.68 and 446,471.12

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Solution

The fourth proportional to 1,245,338, 1,867,666.68 and 446,471.12 is: 669,584.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,338 : 1,867,666.68 = 446,471.12 : x
  2. Step 2: Convert to fraction form
    1,245,338/1,867,666.68 = 446,471.12/x
  3. Step 3: Cross multiply
    1,245,338x = 1,867,666.68 × 446,471.12
  4. Step 4: Simplify right side
    1,245,338x = 833,859,234,406.28
  5. Step 5: Solve for x
    x = 833,859,234,406.28/1,245,338
  6. Step 6: Final answer
    x = 669,584.67

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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.