Home / 826,846.80-1,239,614.10-452,869.80

Finding the Fourth Proportional to 826,846.80, 1,239,614.10 and 452,869.80

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Solution

The fourth proportional to 826,846.80, 1,239,614.10 and 452,869.80 is: 678,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,846.80 : 1,239,614.10 = 452,869.80 : x
  2. Step 2: Convert to fraction form
    826,846.80/1,239,614.10 = 452,869.80/x
  3. Step 3: Cross multiply
    826,846.80x = 1,239,614.10 × 452,869.80
  4. Step 4: Simplify right side
    826,846.80x = 561,383,789,544.18
  5. Step 5: Solve for x
    x = 561,383,789,544.18/826,846.80
  6. Step 6: Final answer
    x = 678,945.35

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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.