Home / 1,425,619.76-2,132,519.88-1,086,091.52

Finding the Fourth Proportional to 1,425,619.76, 2,132,519.88 and 1,086,091.52

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Solution

The fourth proportional to 1,425,619.76, 2,132,519.88 and 1,086,091.52 is: 1,624,635.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,619.76 : 2,132,519.88 = 1,086,091.52 : x
  2. Step 2: Convert to fraction form
    1,425,619.76/2,132,519.88 = 1,086,091.52/x
  3. Step 3: Cross multiply
    1,425,619.76x = 2,132,519.88 × 1,086,091.52
  4. Step 4: Simplify right side
    1,425,619.76x = 2,316,111,757,899.42
  5. Step 5: Solve for x
    x = 2,316,111,757,899.42/1,425,619.76
  6. Step 6: Final answer
    x = 1,624,635.00

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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.