Home / 526,511.20-789,766.80-414,536.80

Finding the Fourth Proportional to 526,511.20, 789,766.80 and 414,536.80

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Solution

The fourth proportional to 526,511.20, 789,766.80 and 414,536.80 is: 621,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,511.20 : 789,766.80 = 414,536.80 : x
  2. Step 2: Convert to fraction form
    526,511.20/789,766.80 = 414,536.80/x
  3. Step 3: Cross multiply
    526,511.20x = 789,766.80 × 414,536.80
  4. Step 4: Simplify right side
    526,511.20x = 327,387,402,018.24
  5. Step 5: Solve for x
    x = 327,387,402,018.24/526,511.20
  6. Step 6: Final answer
    x = 621,805.20

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1.5x scale

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.