Home / 844,836-1,165,586.64-481,999.20

Finding the Fourth Proportional to 844,836, 1,165,586.64 and 481,999.20

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Solution

The fourth proportional to 844,836, 1,165,586.64 and 481,999.20 is: 664,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,836 : 1,165,586.64 = 481,999.20 : x
  2. Step 2: Convert to fraction form
    844,836/1,165,586.64 = 481,999.20/x
  3. Step 3: Cross multiply
    844,836x = 1,165,586.64 × 481,999.20
  4. Step 4: Simplify right side
    844,836x = 561,811,828,010.69
  5. Step 5: Solve for x
    x = 561,811,828,010.69/844,836
  6. Step 6: Final answer
    x = 664,995.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.