Home / 669,575.52-1,008,322.92-483,884.64

Finding the Fourth Proportional to 669,575.52, 1,008,322.92 and 483,884.64

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Solution

The fourth proportional to 669,575.52, 1,008,322.92 and 483,884.64 is: 728,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,575.52 : 1,008,322.92 = 483,884.64 : x
  2. Step 2: Convert to fraction form
    669,575.52/1,008,322.92 = 483,884.64/x
  3. Step 3: Cross multiply
    669,575.52x = 1,008,322.92 × 483,884.64
  4. Step 4: Simplify right side
    669,575.52x = 487,911,973,147.95
  5. Step 5: Solve for x
    x = 487,911,973,147.95/669,575.52
  6. Step 6: Final answer
    x = 728,688.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.