Home / 691,466.40-1,037,197.80-192,830.40

Finding the Fourth Proportional to 691,466.40, 1,037,197.80 and 192,830.40

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Solution

The fourth proportional to 691,466.40, 1,037,197.80 and 192,830.40 is: 289,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,466.40 : 1,037,197.80 = 192,830.40 : x
  2. Step 2: Convert to fraction form
    691,466.40/1,037,197.80 = 192,830.40/x
  3. Step 3: Cross multiply
    691,466.40x = 1,037,197.80 × 192,830.40
  4. Step 4: Simplify right side
    691,466.40x = 200,003,266,653.12
  5. Step 5: Solve for x
    x = 200,003,266,653.12/691,466.40
  6. Step 6: Final answer
    x = 289,245.10

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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.