Home / 1,182,779.22-1,632,234.33-638,914.83

Finding the Fourth Proportional to 1,182,779.22, 1,632,234.33 and 638,914.83

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Solution

The fourth proportional to 1,182,779.22, 1,632,234.33 and 638,914.83 is: 881,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,779.22 : 1,632,234.33 = 638,914.83 : x
  2. Step 2: Convert to fraction form
    1,182,779.22/1,632,234.33 = 638,914.83/x
  3. Step 3: Cross multiply
    1,182,779.22x = 1,632,234.33 × 638,914.83
  4. Step 4: Simplify right side
    1,182,779.22x = 1,042,858,719,472.11
  5. Step 5: Solve for x
    x = 1,042,858,719,472.11/1,182,779.22
  6. Step 6: Final answer
    x = 881,701.93

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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.