Home / 823,995.25-1,236,000.57-291,606.55

Finding the Fourth Proportional to 823,995.25, 1,236,000.57 and 291,606.55

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Solution

The fourth proportional to 823,995.25, 1,236,000.57 and 291,606.55 is: 437,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,995.25 : 1,236,000.57 = 291,606.55 : x
  2. Step 2: Convert to fraction form
    823,995.25/1,236,000.57 = 291,606.55/x
  3. Step 3: Cross multiply
    823,995.25x = 1,236,000.57 × 291,606.55
  4. Step 4: Simplify right side
    823,995.25x = 360,425,862,015.73
  5. Step 5: Solve for x
    x = 360,425,862,015.73/823,995.25
  6. Step 6: Final answer
    x = 437,412.55

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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.