Home / 526,943.05-790,540.32-171,957.71

Finding the Fourth Proportional to 526,943.05, 790,540.32 and 171,957.71

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Solution

The fourth proportional to 526,943.05, 790,540.32 and 171,957.71 is: 257,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,943.05 : 790,540.32 = 171,957.71 : x
  2. Step 2: Convert to fraction form
    526,943.05/790,540.32 = 171,957.71/x
  3. Step 3: Cross multiply
    526,943.05x = 790,540.32 × 171,957.71
  4. Step 4: Simplify right side
    526,943.05x = 135,939,503,089.87
  5. Step 5: Solve for x
    x = 135,939,503,089.87/526,943.05
  6. Step 6: Final answer
    x = 257,977.60

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1.5x scale

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.