Home / 874,882.47-1,207,337.87-472,474.47

Finding the Fourth Proportional to 874,882.47, 1,207,337.87 and 472,474.47

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Solution

The fourth proportional to 874,882.47, 1,207,337.87 and 472,474.47 is: 652,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,882.47 : 1,207,337.87 = 472,474.47 : x
  2. Step 2: Convert to fraction form
    874,882.47/1,207,337.87 = 472,474.47/x
  3. Step 3: Cross multiply
    874,882.47x = 1,207,337.87 × 472,474.47
  4. Step 4: Simplify right side
    874,882.47x = 570,436,325,947.88
  5. Step 5: Solve for x
    x = 570,436,325,947.88/874,882.47
  6. Step 6: Final answer
    x = 652,014.81

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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.