Home / 805,935.59-1,112,155.97-443,336.45

Finding the Fourth Proportional to 805,935.59, 1,112,155.97 and 443,336.45

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Solution

The fourth proportional to 805,935.59, 1,112,155.97 and 443,336.45 is: 611,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,935.59 : 1,112,155.97 = 443,336.45 : x
  2. Step 2: Convert to fraction form
    805,935.59/1,112,155.97 = 443,336.45/x
  3. Step 3: Cross multiply
    805,935.59x = 1,112,155.97 × 443,336.45
  4. Step 4: Simplify right side
    805,935.59x = 493,059,275,133.67
  5. Step 5: Solve for x
    x = 493,059,275,133.67/805,935.59
  6. Step 6: Final answer
    x = 611,784.97

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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.