Home / 1,141,238.35-1,711,709.90-431,174.13

Finding the Fourth Proportional to 1,141,238.35, 1,711,709.90 and 431,174.13

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Solution

The fourth proportional to 1,141,238.35, 1,711,709.90 and 431,174.13 is: 646,705.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,238.35 : 1,711,709.90 = 431,174.13 : x
  2. Step 2: Convert to fraction form
    1,141,238.35/1,711,709.90 = 431,174.13/x
  3. Step 3: Cross multiply
    1,141,238.35x = 1,711,709.90 × 431,174.13
  4. Step 4: Simplify right side
    1,141,238.35x = 738,045,026,944.89
  5. Step 5: Solve for x
    x = 738,045,026,944.89/1,141,238.35
  6. Step 6: Final answer
    x = 646,705.42

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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.