Home / 805,934.46-1,112,154.42-443,335.32

Finding the Fourth Proportional to 805,934.46, 1,112,154.42 and 443,335.32

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Solution

The fourth proportional to 805,934.46, 1,112,154.42 and 443,335.32 is: 611,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,934.46 : 1,112,154.42 = 443,335.32 : x
  2. Step 2: Convert to fraction form
    805,934.46/1,112,154.42 = 443,335.32/x
  3. Step 3: Cross multiply
    805,934.46x = 1,112,154.42 × 443,335.32
  4. Step 4: Simplify right side
    805,934.46x = 493,057,335,680.11
  5. Step 5: Solve for x
    x = 493,057,335,680.11/805,934.46
  6. Step 6: Final answer
    x = 611,783.41

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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.