Home / 561,914.86-842,731.98-220,427.69

Finding the Fourth Proportional to 561,914.86, 842,731.98 and 220,427.69

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Solution

The fourth proportional to 561,914.86, 842,731.98 and 220,427.69 is: 330,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,914.86 : 842,731.98 = 220,427.69 : x
  2. Step 2: Convert to fraction form
    561,914.86/842,731.98 = 220,427.69/x
  3. Step 3: Cross multiply
    561,914.86x = 842,731.98 × 220,427.69
  4. Step 4: Simplify right side
    561,914.86x = 185,761,463,640.53
  5. Step 5: Solve for x
    x = 185,761,463,640.53/561,914.86
  6. Step 6: Final answer
    x = 330,586.49

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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.