Home / 662,336.40-992,338.20-543,363.60

Finding the Fourth Proportional to 662,336.40, 992,338.20 and 543,363.60

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Solution

The fourth proportional to 662,336.40, 992,338.20 and 543,363.60 is: 814,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,336.40 : 992,338.20 = 543,363.60 : x
  2. Step 2: Convert to fraction form
    662,336.40/992,338.20 = 543,363.60/x
  3. Step 3: Cross multiply
    662,336.40x = 992,338.20 × 543,363.60
  4. Step 4: Simplify right side
    662,336.40x = 539,200,456,769.52
  5. Step 5: Solve for x
    x = 539,200,456,769.52/662,336.40
  6. Step 6: Final answer
    x = 814,088.52

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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.