Home / 907,704.48-1,252,631.76-505,391.52

Finding the Fourth Proportional to 907,704.48, 1,252,631.76 and 505,391.52

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Solution

The fourth proportional to 907,704.48, 1,252,631.76 and 505,391.52 is: 697,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,704.48 : 1,252,631.76 = 505,391.52 : x
  2. Step 2: Convert to fraction form
    907,704.48/1,252,631.76 = 505,391.52/x
  3. Step 3: Cross multiply
    907,704.48x = 1,252,631.76 × 505,391.52
  4. Step 4: Simplify right side
    907,704.48x = 633,069,469,186.68
  5. Step 5: Solve for x
    x = 633,069,469,186.68/907,704.48
  6. Step 6: Final answer
    x = 697,440.06

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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.