Home / 588,981.20-882,564.60-438,515.60

Finding the Fourth Proportional to 588,981.20, 882,564.60 and 438,515.60

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Solution

The fourth proportional to 588,981.20, 882,564.60 and 438,515.60 is: 657,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,981.20 : 882,564.60 = 438,515.60 : x
  2. Step 2: Convert to fraction form
    588,981.20/882,564.60 = 438,515.60/x
  3. Step 3: Cross multiply
    588,981.20x = 882,564.60 × 438,515.60
  4. Step 4: Simplify right side
    588,981.20x = 387,018,345,107.76
  5. Step 5: Solve for x
    x = 387,018,345,107.76/588,981.20
  6. Step 6: Final answer
    x = 657,097.96

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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.