Home / 692,956.98-1,039,472.16-219,679.26

Finding the Fourth Proportional to 692,956.98, 1,039,472.16 and 219,679.26

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Solution

The fourth proportional to 692,956.98, 1,039,472.16 and 219,679.26 is: 329,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,956.98 : 1,039,472.16 = 219,679.26 : x
  2. Step 2: Convert to fraction form
    692,956.98/1,039,472.16 = 219,679.26/x
  3. Step 3: Cross multiply
    692,956.98x = 1,039,472.16 × 219,679.26
  4. Step 4: Simplify right side
    692,956.98x = 228,350,474,899.40
  5. Step 5: Solve for x
    x = 228,350,474,899.40/692,956.98
  6. Step 6: Final answer
    x = 329,530.52

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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.