Home / 1,272,160.20-1,911,350.70-957,232.20

Finding the Fourth Proportional to 1,272,160.20, 1,911,350.70 and 957,232.20

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Solution

The fourth proportional to 1,272,160.20, 1,911,350.70 and 957,232.20 is: 1,438,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,160.20 : 1,911,350.70 = 957,232.20 : x
  2. Step 2: Convert to fraction form
    1,272,160.20/1,911,350.70 = 957,232.20/x
  3. Step 3: Cross multiply
    1,272,160.20x = 1,911,350.70 × 957,232.20
  4. Step 4: Simplify right side
    1,272,160.20x = 1,829,606,435,532.54
  5. Step 5: Solve for x
    x = 1,829,606,435,532.54/1,272,160.20
  6. Step 6: Final answer
    x = 1,438,188.71

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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.