Home / 656,076.20-983,495.10-356,114.60

Finding the Fourth Proportional to 656,076.20, 983,495.10 and 356,114.60

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Solution

The fourth proportional to 656,076.20, 983,495.10 and 356,114.60 is: 533,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,076.20 : 983,495.10 = 356,114.60 : x
  2. Step 2: Convert to fraction form
    656,076.20/983,495.10 = 356,114.60/x
  3. Step 3: Cross multiply
    656,076.20x = 983,495.10 × 356,114.60
  4. Step 4: Simplify right side
    656,076.20x = 350,236,964,138.46
  5. Step 5: Solve for x
    x = 350,236,964,138.46/656,076.20
  6. Step 6: Final answer
    x = 533,835.80

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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.