Home / 681,941.55-1,022,953.28-208,631.01

Finding the Fourth Proportional to 681,941.55, 1,022,953.28 and 208,631.01

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Solution

The fourth proportional to 681,941.55, 1,022,953.28 and 208,631.01 is: 312,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,941.55 : 1,022,953.28 = 208,631.01 : x
  2. Step 2: Convert to fraction form
    681,941.55/1,022,953.28 = 208,631.01/x
  3. Step 3: Cross multiply
    681,941.55x = 1,022,953.28 × 208,631.01
  4. Step 4: Simplify right side
    681,941.55x = 213,419,774,946.06
  5. Step 5: Solve for x
    x = 213,419,774,946.06/681,941.55
  6. Step 6: Final answer
    x = 312,959.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.