Home / 621,099.29-931,667.27-171,823.88

Finding the Fourth Proportional to 621,099.29, 931,667.27 and 171,823.88

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Solution

The fourth proportional to 621,099.29, 931,667.27 and 171,823.88 is: 257,740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,099.29 : 931,667.27 = 171,823.88 : x
  2. Step 2: Convert to fraction form
    621,099.29/931,667.27 = 171,823.88/x
  3. Step 3: Cross multiply
    621,099.29x = 931,667.27 × 171,823.88
  4. Step 4: Simplify right side
    621,099.29x = 160,082,686,670.46
  5. Step 5: Solve for x
    x = 160,082,686,670.46/621,099.29
  6. Step 6: Final answer
    x = 257,740.89

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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.