Home / 805,944.54-1,112,168.37-443,345.40

Finding the Fourth Proportional to 805,944.54, 1,112,168.37 and 443,345.40

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Solution

The fourth proportional to 805,944.54, 1,112,168.37 and 443,345.40 is: 611,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,944.54 : 1,112,168.37 = 443,345.40 : x
  2. Step 2: Convert to fraction form
    805,944.54/1,112,168.37 = 443,345.40/x
  3. Step 3: Cross multiply
    805,944.54x = 1,112,168.37 × 443,345.40
  4. Step 4: Simplify right side
    805,944.54x = 493,074,730,865.00
  5. Step 5: Solve for x
    x = 493,074,730,865.00/805,944.54
  6. Step 6: Final answer
    x = 611,797.35

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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.