Home / 851,333.64-1,173,619.26-669,729.92

Finding the Fourth Proportional to 851,333.64, 1,173,619.26 and 669,729.92

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Solution

The fourth proportional to 851,333.64, 1,173,619.26 and 669,729.92 is: 923,266.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,333.64 : 1,173,619.26 = 669,729.92 : x
  2. Step 2: Convert to fraction form
    851,333.64/1,173,619.26 = 669,729.92/x
  3. Step 3: Cross multiply
    851,333.64x = 1,173,619.26 × 669,729.92
  4. Step 4: Simplify right side
    851,333.64x = 786,007,933,110.26
  5. Step 5: Solve for x
    x = 786,007,933,110.26/851,333.64
  6. Step 6: Final answer
    x = 923,266.62

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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.