Home / 1,247,739.08-1,721,885.11-674,779.25

Finding the Fourth Proportional to 1,247,739.08, 1,721,885.11 and 674,779.25

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Solution

The fourth proportional to 1,247,739.08, 1,721,885.11 and 674,779.25 is: 931,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,739.08 : 1,721,885.11 = 674,779.25 : x
  2. Step 2: Convert to fraction form
    1,247,739.08/1,721,885.11 = 674,779.25/x
  3. Step 3: Cross multiply
    1,247,739.08x = 1,721,885.11 × 674,779.25
  4. Step 4: Simplify right side
    1,247,739.08x = 1,161,892,339,839.76
  5. Step 5: Solve for x
    x = 1,161,892,339,839.76/1,247,739.08
  6. Step 6: Final answer
    x = 931,198.17

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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.