Home / 1,036,553.08-1,555,025.64-405,427

Finding the Fourth Proportional to 1,036,553.08, 1,555,025.64 and 405,427

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Solution

The fourth proportional to 1,036,553.08, 1,555,025.64 and 405,427 is: 608,217.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,553.08 : 1,555,025.64 = 405,427 : x
  2. Step 2: Convert to fraction form
    1,036,553.08/1,555,025.64 = 405,427/x
  3. Step 3: Cross multiply
    1,036,553.08x = 1,555,025.64 × 405,427
  4. Step 4: Simplify right side
    1,036,553.08x = 630,449,380,148.28
  5. Step 5: Solve for x
    x = 630,449,380,148.28/1,036,553.08
  6. Step 6: Final answer
    x = 608,217.17

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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.