Home / 867,342.14-1,300,311.96-362,290.04

Finding the Fourth Proportional to 867,342.14, 1,300,311.96 and 362,290.04

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Solution

The fourth proportional to 867,342.14, 1,300,311.96 and 362,290.04 is: 543,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,342.14 : 1,300,311.96 = 362,290.04 : x
  2. Step 2: Convert to fraction form
    867,342.14/1,300,311.96 = 362,290.04/x
  3. Step 3: Cross multiply
    867,342.14x = 1,300,311.96 × 362,290.04
  4. Step 4: Simplify right side
    867,342.14x = 471,090,072,000.88
  5. Step 5: Solve for x
    x = 471,090,072,000.88/867,342.14
  6. Step 6: Final answer
    x = 543,142.15

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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.