Home / 908,471.58-1,362,292.11-339,435.32

Finding the Fourth Proportional to 908,471.58, 1,362,292.11 and 339,435.32

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Solution

The fourth proportional to 908,471.58, 1,362,292.11 and 339,435.32 is: 508,997.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,471.58 : 1,362,292.11 = 339,435.32 : x
  2. Step 2: Convert to fraction form
    908,471.58/1,362,292.11 = 339,435.32/x
  3. Step 3: Cross multiply
    908,471.58x = 1,362,292.11 × 339,435.32
  4. Step 4: Simplify right side
    908,471.58x = 462,410,051,479.87
  5. Step 5: Solve for x
    x = 462,410,051,479.87/908,471.58
  6. Step 6: Final answer
    x = 508,997.82

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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.