Home / 674,672.12-931,016.94-416,664.44

Finding the Fourth Proportional to 674,672.12, 931,016.94 and 416,664.44

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Solution

The fourth proportional to 674,672.12, 931,016.94 and 416,664.44 is: 574,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,672.12 : 931,016.94 = 416,664.44 : x
  2. Step 2: Convert to fraction form
    674,672.12/931,016.94 = 416,664.44/x
  3. Step 3: Cross multiply
    674,672.12x = 931,016.94 × 416,664.44
  4. Step 4: Simplify right side
    674,672.12x = 387,921,651,935.61
  5. Step 5: Solve for x
    x = 387,921,651,935.61/674,672.12
  6. Step 6: Final answer
    x = 574,978.04

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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.