Home / 592,913.52-818,216.91-320,979.43

Finding the Fourth Proportional to 592,913.52, 818,216.91 and 320,979.43

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Solution

The fourth proportional to 592,913.52, 818,216.91 and 320,979.43 is: 442,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,913.52 : 818,216.91 = 320,979.43 : x
  2. Step 2: Convert to fraction form
    592,913.52/818,216.91 = 320,979.43/x
  3. Step 3: Cross multiply
    592,913.52x = 818,216.91 × 320,979.43
  4. Step 4: Simplify right side
    592,913.52x = 262,630,795,783.26
  5. Step 5: Solve for x
    x = 262,630,795,783.26/592,913.52
  6. Step 6: Final answer
    x = 442,949.58

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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.