Home / 733,641.37-1,012,435.44-443,212.56

Finding the Fourth Proportional to 733,641.37, 1,012,435.44 and 443,212.56

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Solution

The fourth proportional to 733,641.37, 1,012,435.44 and 443,212.56 is: 611,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,641.37 : 1,012,435.44 = 443,212.56 : x
  2. Step 2: Convert to fraction form
    733,641.37/1,012,435.44 = 443,212.56/x
  3. Step 3: Cross multiply
    733,641.37x = 1,012,435.44 × 443,212.56
  4. Step 4: Simplify right side
    733,641.37x = 448,724,101,535.08
  5. Step 5: Solve for x
    x = 448,724,101,535.08/733,641.37
  6. Step 6: Final answer
    x = 611,639.58

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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.