Home / 691,260.10-1,036,890.15-192,624.10

Finding the Fourth Proportional to 691,260.10, 1,036,890.15 and 192,624.10

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Solution

The fourth proportional to 691,260.10, 1,036,890.15 and 192,624.10 is: 288,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,260.10 : 1,036,890.15 = 192,624.10 : x
  2. Step 2: Convert to fraction form
    691,260.10/1,036,890.15 = 192,624.10/x
  3. Step 3: Cross multiply
    691,260.10x = 1,036,890.15 × 192,624.10
  4. Step 4: Simplify right side
    691,260.10x = 199,730,031,942.62
  5. Step 5: Solve for x
    x = 199,730,031,942.62/691,260.10
  6. Step 6: Final answer
    x = 288,936.15

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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.