Home / 811,548.11-1,119,735.09-524,723.06

Finding the Fourth Proportional to 811,548.11, 1,119,735.09 and 524,723.06

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Solution

The fourth proportional to 811,548.11, 1,119,735.09 and 524,723.06 is: 723,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,548.11 : 1,119,735.09 = 524,723.06 : x
  2. Step 2: Convert to fraction form
    811,548.11/1,119,735.09 = 524,723.06/x
  3. Step 3: Cross multiply
    811,548.11x = 1,119,735.09 × 524,723.06
  4. Step 4: Simplify right side
    811,548.11x = 587,550,825,613.51
  5. Step 5: Solve for x
    x = 587,550,825,613.51/811,548.11
  6. Step 6: Final answer
    x = 723,987.67

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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.