Home / 587,927.06-811,740.04-394,624.70

Finding the Fourth Proportional to 587,927.06, 811,740.04 and 394,624.70

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Solution

The fourth proportional to 587,927.06, 811,740.04 and 394,624.70 is: 544,851.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,927.06 : 811,740.04 = 394,624.70 : x
  2. Step 2: Convert to fraction form
    587,927.06/811,740.04 = 394,624.70/x
  3. Step 3: Cross multiply
    587,927.06x = 811,740.04 × 394,624.70
  4. Step 4: Simplify right side
    587,927.06x = 320,332,669,762.99
  5. Step 5: Solve for x
    x = 320,332,669,762.99/587,927.06
  6. Step 6: Final answer
    x = 544,851.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.