Home / 1,139,105.34-1,708,659.67-465,186.65

Finding the Fourth Proportional to 1,139,105.34, 1,708,659.67 and 465,186.65

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Solution

The fourth proportional to 1,139,105.34, 1,708,659.67 and 465,186.65 is: 697,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,105.34 : 1,708,659.67 = 465,186.65 : x
  2. Step 2: Convert to fraction form
    1,139,105.34/1,708,659.67 = 465,186.65/x
  3. Step 3: Cross multiply
    1,139,105.34x = 1,708,659.67 × 465,186.65
  4. Step 4: Simplify right side
    1,139,105.34x = 794,845,658,171.14
  5. Step 5: Solve for x
    x = 794,845,658,171.14/1,139,105.34
  6. Step 6: Final answer
    x = 697,780.64

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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.