Home / 1,087,321.38-1,630,566.72-357,675

Finding the Fourth Proportional to 1,087,321.38, 1,630,566.72 and 357,675

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Solution

The fourth proportional to 1,087,321.38, 1,630,566.72 and 357,675 is: 536,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,321.38 : 1,630,566.72 = 357,675 : x
  2. Step 2: Convert to fraction form
    1,087,321.38/1,630,566.72 = 357,675/x
  3. Step 3: Cross multiply
    1,087,321.38x = 1,630,566.72 × 357,675
  4. Step 4: Simplify right side
    1,087,321.38x = 583,212,951,576
  5. Step 5: Solve for x
    x = 583,212,951,576/1,087,321.38
  6. Step 6: Final answer
    x = 536,375.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.