Home / 1,040,915.86-1,436,384.78-632,961.38

Finding the Fourth Proportional to 1,040,915.86, 1,436,384.78 and 632,961.38

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Solution

The fourth proportional to 1,040,915.86, 1,436,384.78 and 632,961.38 is: 873,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,915.86 : 1,436,384.78 = 632,961.38 : x
  2. Step 2: Convert to fraction form
    1,040,915.86/1,436,384.78 = 632,961.38/x
  3. Step 3: Cross multiply
    1,040,915.86x = 1,436,384.78 × 632,961.38
  4. Step 4: Simplify right side
    1,040,915.86x = 909,176,092,559.80
  5. Step 5: Solve for x
    x = 909,176,092,559.80/1,040,915.86
  6. Step 6: Final answer
    x = 873,438.60

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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.