Home / 829,074.29-1,144,174.67-502,415.90

Finding the Fourth Proportional to 829,074.29, 1,144,174.67 and 502,415.90

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Solution

The fourth proportional to 829,074.29, 1,144,174.67 and 502,415.90 is: 693,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,074.29 : 1,144,174.67 = 502,415.90 : x
  2. Step 2: Convert to fraction form
    829,074.29/1,144,174.67 = 502,415.90/x
  3. Step 3: Cross multiply
    829,074.29x = 1,144,174.67 × 502,415.90
  4. Step 4: Simplify right side
    829,074.29x = 574,851,546,585.25
  5. Step 5: Solve for x
    x = 574,851,546,585.25/829,074.29
  6. Step 6: Final answer
    x = 693,365.54

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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.