Home / 821,651.56-1,133,766.30-459,030.04

Finding the Fourth Proportional to 821,651.56, 1,133,766.30 and 459,030.04

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Solution

The fourth proportional to 821,651.56, 1,133,766.30 and 459,030.04 is: 633,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,651.56 : 1,133,766.30 = 459,030.04 : x
  2. Step 2: Convert to fraction form
    821,651.56/1,133,766.30 = 459,030.04/x
  3. Step 3: Cross multiply
    821,651.56x = 1,133,766.30 × 459,030.04
  4. Step 4: Simplify right side
    821,651.56x = 520,432,790,039.65
  5. Step 5: Solve for x
    x = 520,432,790,039.65/821,651.56
  6. Step 6: Final answer
    x = 633,398.41

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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.