Home / 805,632.46-1,111,750.58-443,056.31

Finding the Fourth Proportional to 805,632.46, 1,111,750.58 and 443,056.31

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Solution

The fourth proportional to 805,632.46, 1,111,750.58 and 443,056.31 is: 611,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,632.46 : 1,111,750.58 = 443,056.31 : x
  2. Step 2: Convert to fraction form
    805,632.46/1,111,750.58 = 443,056.31/x
  3. Step 3: Cross multiply
    805,632.46x = 1,111,750.58 × 443,056.31
  4. Step 4: Simplify right side
    805,632.46x = 492,568,109,333.11
  5. Step 5: Solve for x
    x = 492,568,109,333.11/805,632.46
  6. Step 6: Final answer
    x = 611,405.49

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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.