Home / 500,342.19-690,576.47-459,992.04

Finding the Fourth Proportional to 500,342.19, 690,576.47 and 459,992.04

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Solution

The fourth proportional to 500,342.19, 690,576.47 and 459,992.04 is: 634,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,342.19 : 690,576.47 = 459,992.04 : x
  2. Step 2: Convert to fraction form
    500,342.19/690,576.47 = 459,992.04/x
  3. Step 3: Cross multiply
    500,342.19x = 690,576.47 × 459,992.04
  4. Step 4: Simplify right side
    500,342.19x = 317,659,679,211.30
  5. Step 5: Solve for x
    x = 317,659,679,211.30/500,342.19
  6. Step 6: Final answer
    x = 634,884.86

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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.