Home / 587,120.41-881,030.54-213,172.57

Finding the Fourth Proportional to 587,120.41, 881,030.54 and 213,172.57

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Solution

The fourth proportional to 587,120.41, 881,030.54 and 213,172.57 is: 319,885.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,120.41 : 881,030.54 = 213,172.57 : x
  2. Step 2: Convert to fraction form
    587,120.41/881,030.54 = 213,172.57/x
  3. Step 3: Cross multiply
    587,120.41x = 881,030.54 × 213,172.57
  4. Step 4: Simplify right side
    587,120.41x = 187,811,544,460.29
  5. Step 5: Solve for x
    x = 187,811,544,460.29/587,120.41
  6. Step 6: Final answer
    x = 319,885.91

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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.