Home / 1,222,631.70-1,835,915.85-923,450.10

Finding the Fourth Proportional to 1,222,631.70, 1,835,915.85 and 923,450.10

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Solution

The fourth proportional to 1,222,631.70, 1,835,915.85 and 923,450.10 is: 1,386,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,631.70 : 1,835,915.85 = 923,450.10 : x
  2. Step 2: Convert to fraction form
    1,222,631.70/1,835,915.85 = 923,450.10/x
  3. Step 3: Cross multiply
    1,222,631.70x = 1,835,915.85 × 923,450.10
  4. Step 4: Simplify right side
    1,222,631.70x = 1,695,376,675,274.09
  5. Step 5: Solve for x
    x = 1,695,376,675,274.09/1,222,631.70
  6. Step 6: Final answer
    x = 1,386,661.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.