Home / 656,206.20-905,544.72-361,855.76

Finding the Fourth Proportional to 656,206.20, 905,544.72 and 361,855.76

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Solution

The fourth proportional to 656,206.20, 905,544.72 and 361,855.76 is: 499,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,206.20 : 905,544.72 = 361,855.76 : x
  2. Step 2: Convert to fraction form
    656,206.20/905,544.72 = 361,855.76/x
  3. Step 3: Cross multiply
    656,206.20x = 905,544.72 × 361,855.76
  4. Step 4: Simplify right side
    656,206.20x = 327,676,571,510.37
  5. Step 5: Solve for x
    x = 327,676,571,510.37/656,206.20
  6. Step 6: Final answer
    x = 499,350.01

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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.