Home / 1,541,108.42-2,311,288.71-642,059.65

Finding the Fourth Proportional to 1,541,108.42, 2,311,288.71 and 642,059.65

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Solution

The fourth proportional to 1,541,108.42, 2,311,288.71 and 642,059.65 is: 962,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,108.42 : 2,311,288.71 = 642,059.65 : x
  2. Step 2: Convert to fraction form
    1,541,108.42/2,311,288.71 = 642,059.65/x
  3. Step 3: Cross multiply
    1,541,108.42x = 2,311,288.71 × 642,059.65
  4. Step 4: Simplify right side
    1,541,108.42x = 1,483,985,220,191.55
  5. Step 5: Solve for x
    x = 1,483,985,220,191.55/1,541,108.42
  6. Step 6: Final answer
    x = 962,933.69

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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.