Home / 691,025.88-953,289.90-404,370.12

Finding the Fourth Proportional to 691,025.88, 953,289.90 and 404,370.12

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Solution

The fourth proportional to 691,025.88, 953,289.90 and 404,370.12 is: 557,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,025.88 : 953,289.90 = 404,370.12 : x
  2. Step 2: Convert to fraction form
    691,025.88/953,289.90 = 404,370.12/x
  3. Step 3: Cross multiply
    691,025.88x = 953,289.90 × 404,370.12
  4. Step 4: Simplify right side
    691,025.88x = 385,481,951,257.79
  5. Step 5: Solve for x
    x = 385,481,951,257.79/691,025.88
  6. Step 6: Final answer
    x = 557,840.11

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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.