Home / 619,406.92-928,326.48-353,317.08

Finding the Fourth Proportional to 619,406.92, 928,326.48 and 353,317.08

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Solution

The fourth proportional to 619,406.92, 928,326.48 and 353,317.08 is: 529,528.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,406.92 : 928,326.48 = 353,317.08 : x
  2. Step 2: Convert to fraction form
    619,406.92/928,326.48 = 353,317.08/x
  3. Step 3: Cross multiply
    619,406.92x = 928,326.48 × 353,317.08
  4. Step 4: Simplify right side
    619,406.92x = 327,993,601,200.28
  5. Step 5: Solve for x
    x = 327,993,601,200.28/619,406.92
  6. Step 6: Final answer
    x = 529,528.47

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Similar ratio
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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.