Home / 1,117,662-1,676,533.80-398,056.70

Finding the Fourth Proportional to 1,117,662, 1,676,533.80 and 398,056.70

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Solution

The fourth proportional to 1,117,662, 1,676,533.80 and 398,056.70 is: 597,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,662 : 1,676,533.80 = 398,056.70 : x
  2. Step 2: Convert to fraction form
    1,117,662/1,676,533.80 = 398,056.70/x
  3. Step 3: Cross multiply
    1,117,662x = 1,676,533.80 × 398,056.70
  4. Step 4: Simplify right side
    1,117,662x = 667,355,511,866.46
  5. Step 5: Solve for x
    x = 667,355,511,866.46/1,117,662
  6. Step 6: Final answer
    x = 597,099.58

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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.