Home / 876,872.33-1,209,749.26-532,578.39

Finding the Fourth Proportional to 876,872.33, 1,209,749.26 and 532,578.39

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Solution

The fourth proportional to 876,872.33, 1,209,749.26 and 532,578.39 is: 734,754.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,872.33 : 1,209,749.26 = 532,578.39 : x
  2. Step 2: Convert to fraction form
    876,872.33/1,209,749.26 = 532,578.39/x
  3. Step 3: Cross multiply
    876,872.33x = 1,209,749.26 × 532,578.39
  4. Step 4: Simplify right side
    876,872.33x = 644,286,308,325.07
  5. Step 5: Solve for x
    x = 644,286,308,325.07/876,872.33
  6. Step 6: Final answer
    x = 734,754.98

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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.