Home / 415,840.08-623,664.72-116,341.92

Finding the Fourth Proportional to 415,840.08, 623,664.72 and 116,341.92

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Solution

The fourth proportional to 415,840.08, 623,664.72 and 116,341.92 is: 174,486.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,840.08 : 623,664.72 = 116,341.92 : x
  2. Step 2: Convert to fraction form
    415,840.08/623,664.72 = 116,341.92/x
  3. Step 3: Cross multiply
    415,840.08x = 623,664.72 × 116,341.92
  4. Step 4: Simplify right side
    415,840.08x = 72,558,350,961.06
  5. Step 5: Solve for x
    x = 72,558,350,961.06/415,840.08
  6. Step 6: Final answer
    x = 174,486.19

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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.