Home / 621,250.86-931,877.64-171,973.02

Finding the Fourth Proportional to 621,250.86, 931,877.64 and 171,973.02

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Solution

The fourth proportional to 621,250.86, 931,877.64 and 171,973.02 is: 257,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,250.86 : 931,877.64 = 171,973.02 : x
  2. Step 2: Convert to fraction form
    621,250.86/931,877.64 = 171,973.02/x
  3. Step 3: Cross multiply
    621,250.86x = 931,877.64 × 171,973.02
  4. Step 4: Simplify right side
    621,250.86x = 160,257,812,021.27
  5. Step 5: Solve for x
    x = 160,257,812,021.27/621,250.86
  6. Step 6: Final answer
    x = 257,959.90

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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.