Home / 1,263,560-1,743,709.56-690,604.07

Finding the Fourth Proportional to 1,263,560, 1,743,709.56 and 690,604.07

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Solution

The fourth proportional to 1,263,560, 1,743,709.56 and 690,604.07 is: 953,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,560 : 1,743,709.56 = 690,604.07 : x
  2. Step 2: Convert to fraction form
    1,263,560/1,743,709.56 = 690,604.07/x
  3. Step 3: Cross multiply
    1,263,560x = 1,743,709.56 × 690,604.07
  4. Step 4: Simplify right side
    1,263,560x = 1,204,212,919,033.91
  5. Step 5: Solve for x
    x = 1,204,212,919,033.91/1,263,560
  6. Step 6: Final answer
    x = 953,031.85

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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.