Home / 907,661.98-1,252,563.39-499,755.52

Finding the Fourth Proportional to 907,661.98, 1,252,563.39 and 499,755.52

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Solution

The fourth proportional to 907,661.98, 1,252,563.39 and 499,755.52 is: 689,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,661.98 : 1,252,563.39 = 499,755.52 : x
  2. Step 2: Convert to fraction form
    907,661.98/1,252,563.39 = 499,755.52/x
  3. Step 3: Cross multiply
    907,661.98x = 1,252,563.39 × 499,755.52
  4. Step 4: Simplify right side
    907,661.98x = 625,975,468,302.41
  5. Step 5: Solve for x
    x = 625,975,468,302.41/907,661.98
  6. Step 6: Final answer
    x = 689,657.03

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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.