Home / 1,719,723.72-2,579,591.58-521,656.36

Finding the Fourth Proportional to 1,719,723.72, 2,579,591.58 and 521,656.36

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Solution

The fourth proportional to 1,719,723.72, 2,579,591.58 and 521,656.36 is: 782,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,723.72 : 2,579,591.58 = 521,656.36 : x
  2. Step 2: Convert to fraction form
    1,719,723.72/2,579,591.58 = 521,656.36/x
  3. Step 3: Cross multiply
    1,719,723.72x = 2,579,591.58 × 521,656.36
  4. Step 4: Simplify right side
    1,719,723.72x = 1,345,660,353,909.45
  5. Step 5: Solve for x
    x = 1,345,660,353,909.45/1,719,723.72
  6. Step 6: Final answer
    x = 782,486.36

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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.