Home / 1,213,354.15-1,674,463.78-669,524.96

Finding the Fourth Proportional to 1,213,354.15, 1,674,463.78 and 669,524.96

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Solution

The fourth proportional to 1,213,354.15, 1,674,463.78 and 669,524.96 is: 923,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,354.15 : 1,674,463.78 = 669,524.96 : x
  2. Step 2: Convert to fraction form
    1,213,354.15/1,674,463.78 = 669,524.96/x
  3. Step 3: Cross multiply
    1,213,354.15x = 1,674,463.78 × 669,524.96
  4. Step 4: Simplify right side
    1,213,354.15x = 1,121,095,291,978.32
  5. Step 5: Solve for x
    x = 1,121,095,291,978.32/1,213,354.15
  6. Step 6: Final answer
    x = 923,963.78

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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.