Home / 1,228,668.00-1,695,186.10-712,318.83

Finding the Fourth Proportional to 1,228,668.00, 1,695,186.10 and 712,318.83

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Solution

The fourth proportional to 1,228,668.00, 1,695,186.10 and 712,318.83 is: 982,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,668.00 : 1,695,186.10 = 712,318.83 : x
  2. Step 2: Convert to fraction form
    1,228,668.00/1,695,186.10 = 712,318.83/x
  3. Step 3: Cross multiply
    1,228,668.00x = 1,695,186.10 × 712,318.83
  4. Step 4: Simplify right side
    1,228,668.00x = 1,207,512,980,608.59
  5. Step 5: Solve for x
    x = 1,207,512,980,608.59/1,228,668.00
  6. Step 6: Final answer
    x = 982,782.15

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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.