Home / 691,262.10-1,036,893.15-192,626.10

Finding the Fourth Proportional to 691,262.10, 1,036,893.15 and 192,626.10

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Solution

The fourth proportional to 691,262.10, 1,036,893.15 and 192,626.10 is: 288,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,262.10 : 1,036,893.15 = 192,626.10 : x
  2. Step 2: Convert to fraction form
    691,262.10/1,036,893.15 = 192,626.10/x
  3. Step 3: Cross multiply
    691,262.10x = 1,036,893.15 × 192,626.10
  4. Step 4: Simplify right side
    691,262.10x = 199,732,683,601.22
  5. Step 5: Solve for x
    x = 199,732,683,601.22/691,262.10
  6. Step 6: Final answer
    x = 288,939.15

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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.