Home / 559,917.18-839,378.43-218,281.86

Finding the Fourth Proportional to 559,917.18, 839,378.43 and 218,281.86

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Solution

The fourth proportional to 559,917.18, 839,378.43 and 218,281.86 is: 327,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,917.18 : 839,378.43 = 218,281.86 : x
  2. Step 2: Convert to fraction form
    559,917.18/839,378.43 = 218,281.86/x
  3. Step 3: Cross multiply
    559,917.18x = 839,378.43 × 218,281.86
  4. Step 4: Simplify right side
    559,917.18x = 183,221,084,944.28
  5. Step 5: Solve for x
    x = 183,221,084,944.28/559,917.18
  6. Step 6: Final answer
    x = 327,228.90

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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.