Home / 587,134.44-881,051.56-213,186.60

Finding the Fourth Proportional to 587,134.44, 881,051.56 and 213,186.60

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Solution

The fourth proportional to 587,134.44, 881,051.56 and 213,186.60 is: 319,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,134.44 : 881,051.56 = 213,186.60 : x
  2. Step 2: Convert to fraction form
    587,134.44/881,051.56 = 213,186.60/x
  3. Step 3: Cross multiply
    587,134.44x = 881,051.56 × 213,186.60
  4. Step 4: Simplify right side
    587,134.44x = 187,828,386,501.10
  5. Step 5: Solve for x
    x = 187,828,386,501.10/587,134.44
  6. Step 6: Final answer
    x = 319,906.95

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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.