Home / 939,779.70-1,296,896.54-510,059.83

Finding the Fourth Proportional to 939,779.70, 1,296,896.54 and 510,059.83

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Solution

The fourth proportional to 939,779.70, 1,296,896.54 and 510,059.83 is: 703,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,779.70 : 1,296,896.54 = 510,059.83 : x
  2. Step 2: Convert to fraction form
    939,779.70/1,296,896.54 = 510,059.83/x
  3. Step 3: Cross multiply
    939,779.70x = 1,296,896.54 × 510,059.83
  4. Step 4: Simplify right side
    939,779.70x = 661,494,819,685.21
  5. Step 5: Solve for x
    x = 661,494,819,685.21/939,779.70
  6. Step 6: Final answer
    x = 703,882.86

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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.