Home / 961,687.44-1,326,806.36-553,780.52

Finding the Fourth Proportional to 961,687.44, 1,326,806.36 and 553,780.52

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Solution

The fourth proportional to 961,687.44, 1,326,806.36 and 553,780.52 is: 764,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,687.44 : 1,326,806.36 = 553,780.52 : x
  2. Step 2: Convert to fraction form
    961,687.44/1,326,806.36 = 553,780.52/x
  3. Step 3: Cross multiply
    961,687.44x = 1,326,806.36 × 553,780.52
  4. Step 4: Simplify right side
    961,687.44x = 734,759,515,980.11
  5. Step 5: Solve for x
    x = 734,759,515,980.11/961,687.44
  6. Step 6: Final answer
    x = 764,031.52

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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.