Home / 838,914.58-1,158,645.20-566,509.60

Finding the Fourth Proportional to 838,914.58, 1,158,645.20 and 566,509.60

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Solution

The fourth proportional to 838,914.58, 1,158,645.20 and 566,509.60 is: 782,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,914.58 : 1,158,645.20 = 566,509.60 : x
  2. Step 2: Convert to fraction form
    838,914.58/1,158,645.20 = 566,509.60/x
  3. Step 3: Cross multiply
    838,914.58x = 1,158,645.20 × 566,509.60
  4. Step 4: Simplify right side
    838,914.58x = 656,383,628,793.92
  5. Step 5: Solve for x
    x = 656,383,628,793.92/838,914.58
  6. Step 6: Final answer
    x = 782,420.10

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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.