Home / 1,263,967.52-1,744,204.56-690,893.60

Finding the Fourth Proportional to 1,263,967.52, 1,744,204.56 and 690,893.60

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Solution

The fourth proportional to 1,263,967.52, 1,744,204.56 and 690,893.60 is: 953,394.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,967.52 : 1,744,204.56 = 690,893.60 : x
  2. Step 2: Convert to fraction form
    1,263,967.52/1,744,204.56 = 690,893.60/x
  3. Step 3: Cross multiply
    1,263,967.52x = 1,744,204.56 × 690,893.60
  4. Step 4: Simplify right side
    1,263,967.52x = 1,205,059,767,594.82
  5. Step 5: Solve for x
    x = 1,205,059,767,594.82/1,263,967.52
  6. Step 6: Final answer
    x = 953,394.57

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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.