Home / 976,499.88-1,347,351.88-589,378.09

Finding the Fourth Proportional to 976,499.88, 1,347,351.88 and 589,378.09

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Solution

The fourth proportional to 976,499.88, 1,347,351.88 and 589,378.09 is: 813,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,499.88 : 1,347,351.88 = 589,378.09 : x
  2. Step 2: Convert to fraction form
    976,499.88/1,347,351.88 = 589,378.09/x
  3. Step 3: Cross multiply
    976,499.88x = 1,347,351.88 × 589,378.09
  4. Step 4: Simplify right side
    976,499.88x = 794,099,677,592.31
  5. Step 5: Solve for x
    x = 794,099,677,592.31/976,499.88
  6. Step 6: Final answer
    x = 813,210.22

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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.