Home / 692,520.35-1,039,146.17-491,415.84

Finding the Fourth Proportional to 692,520.35, 1,039,146.17 and 491,415.84

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Solution

The fourth proportional to 692,520.35, 1,039,146.17 and 491,415.84 is: 737,383.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,520.35 : 1,039,146.17 = 491,415.84 : x
  2. Step 2: Convert to fraction form
    692,520.35/1,039,146.17 = 491,415.84/x
  3. Step 3: Cross multiply
    692,520.35x = 1,039,146.17 × 491,415.84
  4. Step 4: Simplify right side
    692,520.35x = 510,652,885,556.25
  5. Step 5: Solve for x
    x = 510,652,885,556.25/692,520.35
  6. Step 6: Final answer
    x = 737,383.23

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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.