Home / 1,186,399.63-1,779,902.79-344,951.38

Finding the Fourth Proportional to 1,186,399.63, 1,779,902.79 and 344,951.38

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Solution

The fourth proportional to 1,186,399.63, 1,779,902.79 and 344,951.38 is: 517,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,399.63 : 1,779,902.79 = 344,951.38 : x
  2. Step 2: Convert to fraction form
    1,186,399.63/1,779,902.79 = 344,951.38/x
  3. Step 3: Cross multiply
    1,186,399.63x = 1,779,902.79 × 344,951.38
  4. Step 4: Simplify right side
    1,186,399.63x = 613,979,923,676.35
  5. Step 5: Solve for x
    x = 613,979,923,676.35/1,186,399.63
  6. Step 6: Final answer
    x = 517,515.27

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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.