Home / 1,406,771.56-1,939,922.08-1,251,231.72

Finding the Fourth Proportional to 1,406,771.56, 1,939,922.08 and 1,251,231.72

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Solution

The fourth proportional to 1,406,771.56, 1,939,922.08 and 1,251,231.72 is: 1,725,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,771.56 : 1,939,922.08 = 1,251,231.72 : x
  2. Step 2: Convert to fraction form
    1,406,771.56/1,939,922.08 = 1,251,231.72/x
  3. Step 3: Cross multiply
    1,406,771.56x = 1,939,922.08 × 1,251,231.72
  4. Step 4: Simplify right side
    1,406,771.56x = 2,427,292,040,824.38
  5. Step 5: Solve for x
    x = 2,427,292,040,824.38/1,406,771.56
  6. Step 6: Final answer
    x = 1,725,434.40

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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.