Home / 816,313.34-1,224,482.46-310,902.38

Finding the Fourth Proportional to 816,313.34, 1,224,482.46 and 310,902.38

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Solution

The fourth proportional to 816,313.34, 1,224,482.46 and 310,902.38 is: 466,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,313.34 : 1,224,482.46 = 310,902.38 : x
  2. Step 2: Convert to fraction form
    816,313.34/1,224,482.46 = 310,902.38/x
  3. Step 3: Cross multiply
    816,313.34x = 1,224,482.46 × 310,902.38
  4. Step 4: Simplify right side
    816,313.34x = 380,694,511,082.26
  5. Step 5: Solve for x
    x = 380,694,511,082.26/816,313.34
  6. Step 6: Final answer
    x = 466,358.31

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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.