Home / 1,426,591.53-1,969,329.38-911,020.86

Finding the Fourth Proportional to 1,426,591.53, 1,969,329.38 and 911,020.86

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Solution

The fourth proportional to 1,426,591.53, 1,969,329.38 and 911,020.86 is: 1,257,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,591.53 : 1,969,329.38 = 911,020.86 : x
  2. Step 2: Convert to fraction form
    1,426,591.53/1,969,329.38 = 911,020.86/x
  3. Step 3: Cross multiply
    1,426,591.53x = 1,969,329.38 × 911,020.86
  4. Step 4: Simplify right side
    1,426,591.53x = 1,794,100,140,835.76
  5. Step 5: Solve for x
    x = 1,794,100,140,835.76/1,426,591.53
  6. Step 6: Final answer
    x = 1,257,613.06

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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.