Home / 1,241,171.16-1,861,719.54-342,667.72

Finding the Fourth Proportional to 1,241,171.16, 1,861,719.54 and 342,667.72

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Solution

The fourth proportional to 1,241,171.16, 1,861,719.54 and 342,667.72 is: 513,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,171.16 : 1,861,719.54 = 342,667.72 : x
  2. Step 2: Convert to fraction form
    1,241,171.16/1,861,719.54 = 342,667.72/x
  3. Step 3: Cross multiply
    1,241,171.16x = 1,861,719.54 × 342,667.72
  4. Step 4: Simplify right side
    1,241,171.16x = 637,951,190,051.25
  5. Step 5: Solve for x
    x = 637,951,190,051.25/1,241,171.16
  6. Step 6: Final answer
    x = 513,991.31

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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.