Home / 961,516.71-1,326,745.78-553,539.72

Finding the Fourth Proportional to 961,516.71, 1,326,745.78 and 553,539.72

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Solution

The fourth proportional to 961,516.71, 1,326,745.78 and 553,539.72 is: 763,800.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,516.71 : 1,326,745.78 = 553,539.72 : x
  2. Step 2: Convert to fraction form
    961,516.71/1,326,745.78 = 553,539.72/x
  3. Step 3: Cross multiply
    961,516.71x = 1,326,745.78 × 553,539.72
  4. Step 4: Simplify right side
    961,516.71x = 734,406,491,163.83
  5. Step 5: Solve for x
    x = 734,406,491,163.83/961,516.71
  6. Step 6: Final answer
    x = 763,800.03

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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.