Home / 986,990.98-1,361,965.53-579,050.14

Finding the Fourth Proportional to 986,990.98, 1,361,965.53 and 579,050.14

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Solution

The fourth proportional to 986,990.98, 1,361,965.53 and 579,050.14 is: 799,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,990.98 : 1,361,965.53 = 579,050.14 : x
  2. Step 2: Convert to fraction form
    986,990.98/1,361,965.53 = 579,050.14/x
  3. Step 3: Cross multiply
    986,990.98x = 1,361,965.53 × 579,050.14
  4. Step 4: Simplify right side
    986,990.98x = 788,646,330,821.67
  5. Step 5: Solve for x
    x = 788,646,330,821.67/986,990.98
  6. Step 6: Final answer
    x = 799,041.07

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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.