Home / 698,870.62-964,137.90-444,085.12

Finding the Fourth Proportional to 698,870.62, 964,137.90 and 444,085.12

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Solution

The fourth proportional to 698,870.62, 964,137.90 and 444,085.12 is: 612,644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,870.62 : 964,137.90 = 444,085.12 : x
  2. Step 2: Convert to fraction form
    698,870.62/964,137.90 = 444,085.12/x
  3. Step 3: Cross multiply
    698,870.62x = 964,137.90 × 444,085.12
  4. Step 4: Simplify right side
    698,870.62x = 428,159,295,018.05
  5. Step 5: Solve for x
    x = 428,159,295,018.05/698,870.62
  6. Step 6: Final answer
    x = 612,644.58

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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.