Home / 1,385,771.76-1,898,475.54-1,333,961.54

Finding the Fourth Proportional to 1,385,771.76, 1,898,475.54 and 1,333,961.54

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Solution

The fourth proportional to 1,385,771.76, 1,898,475.54 and 1,333,961.54 is: 1,827,496.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,771.76 : 1,898,475.54 = 1,333,961.54 : x
  2. Step 2: Convert to fraction form
    1,385,771.76/1,898,475.54 = 1,333,961.54/x
  3. Step 3: Cross multiply
    1,385,771.76x = 1,898,475.54 × 1,333,961.54
  4. Step 4: Simplify right side
    1,385,771.76x = 2,532,493,347,615.28
  5. Step 5: Solve for x
    x = 2,532,493,347,615.28/1,385,771.76
  6. Step 6: Final answer
    x = 1,827,496.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.