Home / 526,913.13-790,371.74-127,553.25

Finding the Fourth Proportional to 526,913.13, 790,371.74 and 127,553.25

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Solution

The fourth proportional to 526,913.13, 790,371.74 and 127,553.25 is: 191,330.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,913.13 : 790,371.74 = 127,553.25 : x
  2. Step 2: Convert to fraction form
    526,913.13/790,371.74 = 127,553.25/x
  3. Step 3: Cross multiply
    526,913.13x = 790,371.74 × 127,553.25
  4. Step 4: Simplify right side
    526,913.13x = 100,814,483,507.39
  5. Step 5: Solve for x
    x = 100,814,483,507.39/526,913.13
  6. Step 6: Final answer
    x = 191,330.37

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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.