Home / 1,186,247.63-1,779,653.03-387,527.90

Finding the Fourth Proportional to 1,186,247.63, 1,779,653.03 and 387,527.90

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Solution

The fourth proportional to 1,186,247.63, 1,779,653.03 and 387,527.90 is: 581,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,247.63 : 1,779,653.03 = 387,527.90 : x
  2. Step 2: Convert to fraction form
    1,186,247.63/1,779,653.03 = 387,527.90/x
  3. Step 3: Cross multiply
    1,186,247.63x = 1,779,653.03 × 387,527.90
  4. Step 4: Simplify right side
    1,186,247.63x = 689,665,190,608.63
  5. Step 5: Solve for x
    x = 689,665,190,608.63/1,186,247.63
  6. Step 6: Final answer
    x = 581,383.83

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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.