Home / 507,917.20-761,938.77-166,243.27

Finding the Fourth Proportional to 507,917.20, 761,938.77 and 166,243.27

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Solution

The fourth proportional to 507,917.20, 761,938.77 and 166,243.27 is: 249,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,917.20 : 761,938.77 = 166,243.27 : x
  2. Step 2: Convert to fraction form
    507,917.20/761,938.77 = 166,243.27/x
  3. Step 3: Cross multiply
    507,917.20x = 761,938.77 × 166,243.27
  4. Step 4: Simplify right side
    507,917.20x = 126,667,192,664.58
  5. Step 5: Solve for x
    x = 126,667,192,664.58/507,917.20
  6. Step 6: Final answer
    x = 249,385.52

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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.