Home / 961,296.65-1,442,811.67-512,391.41

Finding the Fourth Proportional to 961,296.65, 1,442,811.67 and 512,391.41

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Solution

The fourth proportional to 961,296.65, 1,442,811.67 and 512,391.41 is: 769,049.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,296.65 : 1,442,811.67 = 512,391.41 : x
  2. Step 2: Convert to fraction form
    961,296.65/1,442,811.67 = 512,391.41/x
  3. Step 3: Cross multiply
    961,296.65x = 1,442,811.67 × 512,391.41
  4. Step 4: Simplify right side
    961,296.65x = 739,284,305,955.76
  5. Step 5: Solve for x
    x = 739,284,305,955.76/961,296.65
  6. Step 6: Final answer
    x = 769,049.08

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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.