Home / 527,939.12-728,546.45-298,492.44

Finding the Fourth Proportional to 527,939.12, 728,546.45 and 298,492.44

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Solution

The fourth proportional to 527,939.12, 728,546.45 and 298,492.44 is: 411,914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,939.12 : 728,546.45 = 298,492.44 : x
  2. Step 2: Convert to fraction form
    527,939.12/728,546.45 = 298,492.44/x
  3. Step 3: Cross multiply
    527,939.12x = 728,546.45 × 298,492.44
  4. Step 4: Simplify right side
    527,939.12x = 217,465,606,021.38
  5. Step 5: Solve for x
    x = 217,465,606,021.38/527,939.12
  6. Step 6: Final answer
    x = 411,914.18

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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.