Home / 1,760,808.80-2,641,213.20-638,472.80

Finding the Fourth Proportional to 1,760,808.80, 2,641,213.20 and 638,472.80

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Solution

The fourth proportional to 1,760,808.80, 2,641,213.20 and 638,472.80 is: 957,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,808.80 : 2,641,213.20 = 638,472.80 : x
  2. Step 2: Convert to fraction form
    1,760,808.80/2,641,213.20 = 638,472.80/x
  3. Step 3: Cross multiply
    1,760,808.80x = 2,641,213.20 × 638,472.80
  4. Step 4: Simplify right side
    1,760,808.80x = 1,686,342,787,200.96
  5. Step 5: Solve for x
    x = 1,686,342,787,200.96/1,760,808.80
  6. Step 6: Final answer
    x = 957,709.20

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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.