Home / 545,867.55-818,801.33-305,734.95

Finding the Fourth Proportional to 545,867.55, 818,801.33 and 305,734.95

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Solution

The fourth proportional to 545,867.55, 818,801.33 and 305,734.95 is: 458,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,867.55 : 818,801.33 = 305,734.95 : x
  2. Step 2: Convert to fraction form
    545,867.55/818,801.33 = 305,734.95/x
  3. Step 3: Cross multiply
    545,867.55x = 818,801.33 × 305,734.95
  4. Step 4: Simplify right side
    545,867.55x = 250,336,182,158.81
  5. Step 5: Solve for x
    x = 250,336,182,158.81/545,867.55
  6. Step 6: Final answer
    x = 458,602.43

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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.