Home / 1,051,585-1,451,083.30-643,801.80

Finding the Fourth Proportional to 1,051,585, 1,451,083.30 and 643,801.80

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Solution

The fourth proportional to 1,051,585, 1,451,083.30 and 643,801.80 is: 888,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,585 : 1,451,083.30 = 643,801.80 : x
  2. Step 2: Convert to fraction form
    1,051,585/1,451,083.30 = 643,801.80/x
  3. Step 3: Cross multiply
    1,051,585x = 1,451,083.30 × 643,801.80
  4. Step 4: Simplify right side
    1,051,585x = 934,210,040,489.94
  5. Step 5: Solve for x
    x = 934,210,040,489.94/1,051,585
  6. Step 6: Final answer
    x = 888,382.81

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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.