Home / 415,828.59-623,647.49-116,330.28

Finding the Fourth Proportional to 415,828.59, 623,647.49 and 116,330.28

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Solution

The fourth proportional to 415,828.59, 623,647.49 and 116,330.28 is: 174,468.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,828.59 : 623,647.49 = 116,330.28 : x
  2. Step 2: Convert to fraction form
    415,828.59/623,647.49 = 116,330.28/x
  3. Step 3: Cross multiply
    415,828.59x = 623,647.49 × 116,330.28
  4. Step 4: Simplify right side
    415,828.59x = 72,549,086,551.35
  5. Step 5: Solve for x
    x = 72,549,086,551.35/415,828.59
  6. Step 6: Final answer
    x = 174,468.73

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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.