Home / 867,650.20-1,301,669.70-335,123.80

Finding the Fourth Proportional to 867,650.20, 1,301,669.70 and 335,123.80

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Solution

The fourth proportional to 867,650.20, 1,301,669.70 and 335,123.80 is: 502,760.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,650.20 : 1,301,669.70 = 335,123.80 : x
  2. Step 2: Convert to fraction form
    867,650.20/1,301,669.70 = 335,123.80/x
  3. Step 3: Cross multiply
    867,650.20x = 1,301,669.70 × 335,123.80
  4. Step 4: Simplify right side
    867,650.20x = 436,220,496,208.86
  5. Step 5: Solve for x
    x = 436,220,496,208.86/867,650.20
  6. Step 6: Final answer
    x = 502,760.79

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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.