Home / 535,914.59-803,260.37-215,861.60

Finding the Fourth Proportional to 535,914.59, 803,260.37 and 215,861.60

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Solution

The fourth proportional to 535,914.59, 803,260.37 and 215,861.60 is: 323,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,914.59 : 803,260.37 = 215,861.60 : x
  2. Step 2: Convert to fraction form
    535,914.59/803,260.37 = 215,861.60/x
  3. Step 3: Cross multiply
    535,914.59x = 803,260.37 × 215,861.60
  4. Step 4: Simplify right side
    535,914.59x = 173,393,071,232.60
  5. Step 5: Solve for x
    x = 173,393,071,232.60/535,914.59
  6. Step 6: Final answer
    x = 323,546.10

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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.