Home / 549,415.84-827,867.41-451,763.50

Finding the Fourth Proportional to 549,415.84, 827,867.41 and 451,763.50

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Solution

The fourth proportional to 549,415.84, 827,867.41 and 451,763.50 is: 680,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,415.84 : 827,867.41 = 451,763.50 : x
  2. Step 2: Convert to fraction form
    549,415.84/827,867.41 = 451,763.50/x
  3. Step 3: Cross multiply
    549,415.84x = 827,867.41 × 451,763.50
  4. Step 4: Simplify right side
    549,415.84x = 374,000,278,677.54
  5. Step 5: Solve for x
    x = 374,000,278,677.54/549,415.84
  6. Step 6: Final answer
    x = 680,723.51

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1.5x scale

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.