Home / 756,450.80-1,133,509.80-656,140.40

Finding the Fourth Proportional to 756,450.80, 1,133,509.80 and 656,140.40

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Solution

The fourth proportional to 756,450.80, 1,133,509.80 and 656,140.40 is: 983,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,450.80 : 1,133,509.80 = 656,140.40 : x
  2. Step 2: Convert to fraction form
    756,450.80/1,133,509.80 = 656,140.40/x
  3. Step 3: Cross multiply
    756,450.80x = 1,133,509.80 × 656,140.40
  4. Step 4: Simplify right side
    756,450.80x = 743,741,573,575.92
  5. Step 5: Solve for x
    x = 743,741,573,575.92/756,450.80
  6. Step 6: Final answer
    x = 983,198.87

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1.5x scale

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.