Home / 526,913.30-790,371.98-127,553.43

Finding the Fourth Proportional to 526,913.30, 790,371.98 and 127,553.43

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Solution

The fourth proportional to 526,913.30, 790,371.98 and 127,553.43 is: 191,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,913.30 : 790,371.98 = 127,553.43 : x
  2. Step 2: Convert to fraction form
    526,913.30/790,371.98 = 127,553.43/x
  3. Step 3: Cross multiply
    526,913.30x = 790,371.98 × 127,553.43
  4. Step 4: Simplify right side
    526,913.30x = 100,814,659,829.35
  5. Step 5: Solve for x
    x = 100,814,659,829.35/526,913.30
  6. Step 6: Final answer
    x = 191,330.64

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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.