Home / 415,966.86-623,902.10-116,471.39

Finding the Fourth Proportional to 415,966.86, 623,902.10 and 116,471.39

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Solution

The fourth proportional to 415,966.86, 623,902.10 and 116,471.39 is: 174,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,966.86 : 623,902.10 = 116,471.39 : x
  2. Step 2: Convert to fraction form
    415,966.86/623,902.10 = 116,471.39/x
  3. Step 3: Cross multiply
    415,966.86x = 623,902.10 × 116,471.39
  4. Step 4: Simplify right side
    415,966.86x = 72,666,741,109.05
  5. Step 5: Solve for x
    x = 72,666,741,109.05/415,966.86
  6. Step 6: Final answer
    x = 174,693.58

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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.