Home / 876,332.45-1,314,905.54-336,409.08

Finding the Fourth Proportional to 876,332.45, 1,314,905.54 and 336,409.08

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Solution

The fourth proportional to 876,332.45, 1,314,905.54 and 336,409.08 is: 504,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,332.45 : 1,314,905.54 = 336,409.08 : x
  2. Step 2: Convert to fraction form
    876,332.45/1,314,905.54 = 336,409.08/x
  3. Step 3: Cross multiply
    876,332.45x = 1,314,905.54 × 336,409.08
  4. Step 4: Simplify right side
    876,332.45x = 442,346,162,998.30
  5. Step 5: Solve for x
    x = 442,346,162,998.30/876,332.45
  6. Step 6: Final answer
    x = 504,769.81

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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.