Home / 521,095.05-781,100.64-201,466.44

Finding the Fourth Proportional to 521,095.05, 781,100.64 and 201,466.44

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Solution

The fourth proportional to 521,095.05, 781,100.64 and 201,466.44 is: 301,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,095.05 : 781,100.64 = 201,466.44 : x
  2. Step 2: Convert to fraction form
    521,095.05/781,100.64 = 201,466.44/x
  3. Step 3: Cross multiply
    521,095.05x = 781,100.64 × 201,466.44
  4. Step 4: Simplify right side
    521,095.05x = 157,365,565,222.52
  5. Step 5: Solve for x
    x = 157,365,565,222.52/521,095.05
  6. Step 6: Final answer
    x = 301,990.14

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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.