Home / 1,213,182.75-1,674,192.20-676,638.75

Finding the Fourth Proportional to 1,213,182.75, 1,674,192.20 and 676,638.75

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Solution

The fourth proportional to 1,213,182.75, 1,674,192.20 and 676,638.75 is: 933,761.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,182.75 : 1,674,192.20 = 676,638.75 : x
  2. Step 2: Convert to fraction form
    1,213,182.75/1,674,192.20 = 676,638.75/x
  3. Step 3: Cross multiply
    1,213,182.75x = 1,674,192.20 × 676,638.75
  4. Step 4: Simplify right side
    1,213,182.75x = 1,132,823,314,084.56
  5. Step 5: Solve for x
    x = 1,132,823,314,084.56/1,213,182.75
  6. Step 6: Final answer
    x = 933,761.48

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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.