Home / 526,744.40-789,922.20-260,416.40

Finding the Fourth Proportional to 526,744.40, 789,922.20 and 260,416.40

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Solution

The fourth proportional to 526,744.40, 789,922.20 and 260,416.40 is: 390,528.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,744.40 : 789,922.20 = 260,416.40 : x
  2. Step 2: Convert to fraction form
    526,744.40/789,922.20 = 260,416.40/x
  3. Step 3: Cross multiply
    526,744.40x = 789,922.20 × 260,416.40
  4. Step 4: Simplify right side
    526,744.40x = 205,708,695,604.08
  5. Step 5: Solve for x
    x = 205,708,695,604.08/526,744.40
  6. Step 6: Final answer
    x = 390,528.49

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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.