Home / 572,635.20-790,322.76-412,021.92

Finding the Fourth Proportional to 572,635.20, 790,322.76 and 412,021.92

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Solution

The fourth proportional to 572,635.20, 790,322.76 and 412,021.92 is: 568,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,635.20 : 790,322.76 = 412,021.92 : x
  2. Step 2: Convert to fraction form
    572,635.20/790,322.76 = 412,021.92/x
  3. Step 3: Cross multiply
    572,635.20x = 790,322.76 × 412,021.92
  4. Step 4: Simplify right side
    572,635.20x = 325,630,300,994.90
  5. Step 5: Solve for x
    x = 325,630,300,994.90/572,635.20
  6. Step 6: Final answer
    x = 568,652.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.