Home / 558,144.36-836,253.63-305,606.61

Finding the Fourth Proportional to 558,144.36, 836,253.63 and 305,606.61

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Solution

The fourth proportional to 558,144.36, 836,253.63 and 305,606.61 is: 457,882.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,144.36 : 836,253.63 = 305,606.61 : x
  2. Step 2: Convert to fraction form
    558,144.36/836,253.63 = 305,606.61/x
  3. Step 3: Cross multiply
    558,144.36x = 836,253.63 × 305,606.61
  4. Step 4: Simplify right side
    558,144.36x = 255,564,636,964.49
  5. Step 5: Solve for x
    x = 255,564,636,964.49/558,144.36
  6. Step 6: Final answer
    x = 457,882.68

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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.