Home / 800,648.75-1,104,896.09-461,117.81

Finding the Fourth Proportional to 800,648.75, 1,104,896.09 and 461,117.81

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Solution

The fourth proportional to 800,648.75, 1,104,896.09 and 461,117.81 is: 636,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,648.75 : 1,104,896.09 = 461,117.81 : x
  2. Step 2: Convert to fraction form
    800,648.75/1,104,896.09 = 461,117.81/x
  3. Step 3: Cross multiply
    800,648.75x = 1,104,896.09 × 461,117.81
  4. Step 4: Simplify right side
    800,648.75x = 509,487,265,298.36
  5. Step 5: Solve for x
    x = 509,487,265,298.36/800,648.75
  6. Step 6: Final answer
    x = 636,343.05

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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.