Home / 986,522.20-1,361,628.16-578,755.06

Finding the Fourth Proportional to 986,522.20, 1,361,628.16 and 578,755.06

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Solution

The fourth proportional to 986,522.20, 1,361,628.16 and 578,755.06 is: 798,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,522.20 : 1,361,628.16 = 578,755.06 : x
  2. Step 2: Convert to fraction form
    986,522.20/1,361,628.16 = 578,755.06/x
  3. Step 3: Cross multiply
    986,522.20x = 1,361,628.16 × 578,755.06
  4. Step 4: Simplify right side
    986,522.20x = 788,049,187,438.49
  5. Step 5: Solve for x
    x = 788,049,187,438.49/986,522.20
  6. Step 6: Final answer
    x = 798,815.46

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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.