Home / 986,805.99-1,362,120.66-578,758.95

Finding the Fourth Proportional to 986,805.99, 1,362,120.66 and 578,758.95

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Solution

The fourth proportional to 986,805.99, 1,362,120.66 and 578,758.95 is: 798,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,805.99 : 1,362,120.66 = 578,758.95 : x
  2. Step 2: Convert to fraction form
    986,805.99/1,362,120.66 = 578,758.95/x
  3. Step 3: Cross multiply
    986,805.99x = 1,362,120.66 × 578,758.95
  4. Step 4: Simplify right side
    986,805.99x = 788,339,522,954.91
  5. Step 5: Solve for x
    x = 788,339,522,954.91/986,805.99
  6. Step 6: Final answer
    x = 798,879.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.