Home / 874,520.38-1,308,817.74-537,774.31

Finding the Fourth Proportional to 874,520.38, 1,308,817.74 and 537,774.31

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Solution

The fourth proportional to 874,520.38, 1,308,817.74 and 537,774.31 is: 804,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,520.38 : 1,308,817.74 = 537,774.31 : x
  2. Step 2: Convert to fraction form
    874,520.38/1,308,817.74 = 537,774.31/x
  3. Step 3: Cross multiply
    874,520.38x = 1,308,817.74 × 537,774.31
  4. Step 4: Simplify right side
    874,520.38x = 703,848,557,044.26
  5. Step 5: Solve for x
    x = 703,848,557,044.26/874,520.38
  6. Step 6: Final answer
    x = 804,839.51

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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.