Home / 1,779,604.13-2,669,861.22-517,431.76

Finding the Fourth Proportional to 1,779,604.13, 2,669,861.22 and 517,431.76

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Solution

The fourth proportional to 1,779,604.13, 2,669,861.22 and 517,431.76 is: 776,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,604.13 : 2,669,861.22 = 517,431.76 : x
  2. Step 2: Convert to fraction form
    1,779,604.13/2,669,861.22 = 517,431.76/x
  3. Step 3: Cross multiply
    1,779,604.13x = 2,669,861.22 × 517,431.76
  4. Step 4: Simplify right side
    1,779,604.13x = 1,381,470,981,405.33
  5. Step 5: Solve for x
    x = 1,381,470,981,405.33/1,779,604.13
  6. Step 6: Final answer
    x = 776,279.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.