Home / 526,943.55-790,541.07-171,958.21

Finding the Fourth Proportional to 526,943.55, 790,541.07 and 171,958.21

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Solution

The fourth proportional to 526,943.55, 790,541.07 and 171,958.21 is: 257,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,943.55 : 790,541.07 = 171,958.21 : x
  2. Step 2: Convert to fraction form
    526,943.55/790,541.07 = 171,958.21/x
  3. Step 3: Cross multiply
    526,943.55x = 790,541.07 × 171,958.21
  4. Step 4: Simplify right side
    526,943.55x = 135,940,027,328.69
  5. Step 5: Solve for x
    x = 135,940,027,328.69/526,943.55
  6. Step 6: Final answer
    x = 257,978.35

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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.