Home / 1,281,749.52-1,924,286.36-857,996.40

Finding the Fourth Proportional to 1,281,749.52, 1,924,286.36 and 857,996.40

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Solution

The fourth proportional to 1,281,749.52, 1,924,286.36 and 857,996.40 is: 1,288,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,749.52 : 1,924,286.36 = 857,996.40 : x
  2. Step 2: Convert to fraction form
    1,281,749.52/1,924,286.36 = 857,996.40/x
  3. Step 3: Cross multiply
    1,281,749.52x = 1,924,286.36 × 857,996.40
  4. Step 4: Simplify right side
    1,281,749.52x = 1,651,030,769,449.10
  5. Step 5: Solve for x
    x = 1,651,030,769,449.10/1,281,749.52
  6. Step 6: Final answer
    x = 1,288,107.19

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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.