Home / 415,779.89-623,664.37-100,234.27

Finding the Fourth Proportional to 415,779.89, 623,664.37 and 100,234.27

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Solution

The fourth proportional to 415,779.89, 623,664.37 and 100,234.27 is: 150,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,779.89 : 623,664.37 = 100,234.27 : x
  2. Step 2: Convert to fraction form
    415,779.89/623,664.37 = 100,234.27/x
  3. Step 3: Cross multiply
    415,779.89x = 623,664.37 × 100,234.27
  4. Step 4: Simplify right side
    415,779.89x = 62,512,539,232.47
  5. Step 5: Solve for x
    x = 62,512,539,232.47/415,779.89
  6. Step 6: Final answer
    x = 150,350.08

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1.5x scale

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.