Home / 692,011.20-1,037,859.84-317,674.56

Finding the Fourth Proportional to 692,011.20, 1,037,859.84 and 317,674.56

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Solution

The fourth proportional to 692,011.20, 1,037,859.84 and 317,674.56 is: 476,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,011.20 : 1,037,859.84 = 317,674.56 : x
  2. Step 2: Convert to fraction form
    692,011.20/1,037,859.84 = 317,674.56/x
  3. Step 3: Cross multiply
    692,011.20x = 1,037,859.84 × 317,674.56
  4. Step 4: Simplify right side
    692,011.20x = 329,701,668,013.67
  5. Step 5: Solve for x
    x = 329,701,668,013.67/692,011.20
  6. Step 6: Final answer
    x = 476,439.79

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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.