Home / 976,810.85-1,348,047.05-589,620.12

Finding the Fourth Proportional to 976,810.85, 1,348,047.05 and 589,620.12

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Solution

The fourth proportional to 976,810.85, 1,348,047.05 and 589,620.12 is: 813,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,810.85 : 1,348,047.05 = 589,620.12 : x
  2. Step 2: Convert to fraction form
    976,810.85/1,348,047.05 = 589,620.12/x
  3. Step 3: Cross multiply
    976,810.85x = 1,348,047.05 × 589,620.12
  4. Step 4: Simplify right side
    976,810.85x = 794,835,653,698.31
  5. Step 5: Solve for x
    x = 794,835,653,698.31/976,810.85
  6. Step 6: Final answer
    x = 813,704.78

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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.