Home / 637,623.90-879,892.56-365,496.66

Finding the Fourth Proportional to 637,623.90, 879,892.56 and 365,496.66

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Solution

The fourth proportional to 637,623.90, 879,892.56 and 365,496.66 is: 504,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,623.90 : 879,892.56 = 365,496.66 : x
  2. Step 2: Convert to fraction form
    637,623.90/879,892.56 = 365,496.66/x
  3. Step 3: Cross multiply
    637,623.90x = 879,892.56 × 365,496.66
  4. Step 4: Simplify right side
    637,623.90x = 321,597,791,838.85
  5. Step 5: Solve for x
    x = 321,597,791,838.85/637,623.90
  6. Step 6: Final answer
    x = 504,369.10

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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.