Home / 526,541.20-789,811.80-313,964.80

Finding the Fourth Proportional to 526,541.20, 789,811.80 and 313,964.80

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Solution

The fourth proportional to 526,541.20, 789,811.80 and 313,964.80 is: 470,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,541.20 : 789,811.80 = 313,964.80 : x
  2. Step 2: Convert to fraction form
    526,541.20/789,811.80 = 313,964.80/x
  3. Step 3: Cross multiply
    526,541.20x = 789,811.80 × 313,964.80
  4. Step 4: Simplify right side
    526,541.20x = 247,973,103,824.64
  5. Step 5: Solve for x
    x = 247,973,103,824.64/526,541.20
  6. Step 6: Final answer
    x = 470,947.20

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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.