Home / 959,838.38-1,439,932.54-480,316.94

Finding the Fourth Proportional to 959,838.38, 1,439,932.54 and 480,316.94

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Solution

The fourth proportional to 959,838.38, 1,439,932.54 and 480,316.94 is: 720,562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,838.38 : 1,439,932.54 = 480,316.94 : x
  2. Step 2: Convert to fraction form
    959,838.38/1,439,932.54 = 480,316.94/x
  3. Step 3: Cross multiply
    959,838.38x = 1,439,932.54 × 480,316.94
  4. Step 4: Simplify right side
    959,838.38x = 691,623,991,419.23
  5. Step 5: Solve for x
    x = 691,623,991,419.23/959,838.38
  6. Step 6: Final answer
    x = 720,562.97

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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.