Home / 1,639,788.80-2,262,811.10-951,407.33

Finding the Fourth Proportional to 1,639,788.80, 2,262,811.10 and 951,407.33

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Solution

The fourth proportional to 1,639,788.80, 2,262,811.10 and 951,407.33 is: 1,312,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,788.80 : 2,262,811.10 = 951,407.33 : x
  2. Step 2: Convert to fraction form
    1,639,788.80/2,262,811.10 = 951,407.33/x
  3. Step 3: Cross multiply
    1,639,788.80x = 2,262,811.10 × 951,407.33
  4. Step 4: Simplify right side
    1,639,788.80x = 2,152,855,050,874.27
  5. Step 5: Solve for x
    x = 2,152,855,050,874.27/1,639,788.80
  6. Step 6: Final answer
    x = 1,312,885.57

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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.