Home / 540,189.27-745,441.14-298,466.64

Finding the Fourth Proportional to 540,189.27, 745,441.14 and 298,466.64

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Solution

The fourth proportional to 540,189.27, 745,441.14 and 298,466.64 is: 411,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,189.27 : 745,441.14 = 298,466.64 : x
  2. Step 2: Convert to fraction form
    540,189.27/745,441.14 = 298,466.64/x
  3. Step 3: Cross multiply
    540,189.27x = 745,441.14 × 298,466.64
  4. Step 4: Simplify right side
    540,189.27x = 222,489,312,373.57
  5. Step 5: Solve for x
    x = 222,489,312,373.57/540,189.27
  6. Step 6: Final answer
    x = 411,872.88

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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.