Home / 526,480.52-789,536-147,299.36

Finding the Fourth Proportional to 526,480.52, 789,536 and 147,299.36

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Solution

The fourth proportional to 526,480.52, 789,536 and 147,299.36 is: 220,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,480.52 : 789,536 = 147,299.36 : x
  2. Step 2: Convert to fraction form
    526,480.52/789,536 = 147,299.36/x
  3. Step 3: Cross multiply
    526,480.52x = 789,536 × 147,299.36
  4. Step 4: Simplify right side
    526,480.52x = 116,298,147,496.96
  5. Step 5: Solve for x
    x = 116,298,147,496.96/526,480.52
  6. Step 6: Final answer
    x = 220,897.34

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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.