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Finding the Fourth Proportional to 1,033.34, 1,424.79 and 846.14

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Solution

The fourth proportional to 1,033.34, 1,424.79 and 846.14 is: 1,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.34 : 1,424.79 = 846.14 : x
  2. Step 2: Convert to fraction form
    1,033.34/1,424.79 = 846.14/x
  3. Step 3: Cross multiply
    1,033.34x = 1,424.79 × 846.14
  4. Step 4: Simplify right side
    1,033.34x = 1,205,571.81
  5. Step 5: Solve for x
    x = 1,205,571.81/1,033.34
  6. Step 6: Final answer
    x = 1,166.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.