Home / 1,051,584-1,451,081.92-643,800.80

Finding the Fourth Proportional to 1,051,584, 1,451,081.92 and 643,800.80

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Solution

The fourth proportional to 1,051,584, 1,451,081.92 and 643,800.80 is: 888,381.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,584 : 1,451,081.92 = 643,800.80 : x
  2. Step 2: Convert to fraction form
    1,051,584/1,451,081.92 = 643,800.80/x
  3. Step 3: Cross multiply
    1,051,584x = 1,451,081.92 × 643,800.80
  4. Step 4: Simplify right side
    1,051,584x = 934,207,700,961.54
  5. Step 5: Solve for x
    x = 934,207,700,961.54/1,051,584
  6. Step 6: Final answer
    x = 888,381.43

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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.