Home / 1,553,385.89-2,330,396.55-654,827.78

Finding the Fourth Proportional to 1,553,385.89, 2,330,396.55 and 654,827.78

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Solution

The fourth proportional to 1,553,385.89, 2,330,396.55 and 654,827.78 is: 982,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,385.89 : 2,330,396.55 = 654,827.78 : x
  2. Step 2: Convert to fraction form
    1,553,385.89/2,330,396.55 = 654,827.78/x
  3. Step 3: Cross multiply
    1,553,385.89x = 2,330,396.55 × 654,827.78
  4. Step 4: Simplify right side
    1,553,385.89x = 1,526,008,387,704.18
  5. Step 5: Solve for x
    x = 1,526,008,387,704.18/1,553,385.89
  6. Step 6: Final answer
    x = 982,375.60

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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.