Home / 438,913.98-605,962.32-277,907.04

Finding the Fourth Proportional to 438,913.98, 605,962.32 and 277,907.04

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Solution

The fourth proportional to 438,913.98, 605,962.32 and 277,907.04 is: 383,676.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,913.98 : 605,962.32 = 277,907.04 : x
  2. Step 2: Convert to fraction form
    438,913.98/605,962.32 = 277,907.04/x
  3. Step 3: Cross multiply
    438,913.98x = 605,962.32 × 277,907.04
  4. Step 4: Simplify right side
    438,913.98x = 168,401,194,702.73
  5. Step 5: Solve for x
    x = 168,401,194,702.73/438,913.98
  6. Step 6: Final answer
    x = 383,676.99

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1.5x scale

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.