Home / 526,483-789,539.73-147,301.87

Finding the Fourth Proportional to 526,483, 789,539.73 and 147,301.87

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Solution

The fourth proportional to 526,483, 789,539.73 and 147,301.87 is: 220,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,483 : 789,539.73 = 147,301.87 : x
  2. Step 2: Convert to fraction form
    526,483/789,539.73 = 147,301.87/x
  3. Step 3: Cross multiply
    526,483x = 789,539.73 × 147,301.87
  4. Step 4: Simplify right side
    526,483x = 116,300,678,668.30
  5. Step 5: Solve for x
    x = 116,300,678,668.30/526,483
  6. Step 6: Final answer
    x = 220,901.11

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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.