Home / 805,527.42-1,111,589.76-442,966.56

Finding the Fourth Proportional to 805,527.42, 1,111,589.76 and 442,966.56

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Solution

The fourth proportional to 805,527.42, 1,111,589.76 and 442,966.56 is: 611,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,527.42 : 1,111,589.76 = 442,966.56 : x
  2. Step 2: Convert to fraction form
    805,527.42/1,111,589.76 = 442,966.56/x
  3. Step 3: Cross multiply
    805,527.42x = 1,111,589.76 × 442,966.56
  4. Step 4: Simplify right side
    805,527.42x = 492,397,089,611.09
  5. Step 5: Solve for x
    x = 492,397,089,611.09/805,527.42
  6. Step 6: Final answer
    x = 611,272.91

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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.