Home / 986,776.06-1,361,762.33-578,884.85

Finding the Fourth Proportional to 986,776.06, 1,361,762.33 and 578,884.85

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Solution

The fourth proportional to 986,776.06, 1,361,762.33 and 578,884.85 is: 798,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,776.06 : 1,361,762.33 = 578,884.85 : x
  2. Step 2: Convert to fraction form
    986,776.06/1,361,762.33 = 578,884.85/x
  3. Step 3: Cross multiply
    986,776.06x = 1,361,762.33 × 578,884.85
  4. Step 4: Simplify right side
    986,776.06x = 788,303,582,137.70
  5. Step 5: Solve for x
    x = 788,303,582,137.70/986,776.06
  6. Step 6: Final answer
    x = 798,867.76

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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.