Home / 526,811.80-789,051.30-433,499.80

Finding the Fourth Proportional to 526,811.80, 789,051.30 and 433,499.80

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Solution

The fourth proportional to 526,811.80, 789,051.30 and 433,499.80 is: 649,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,811.80 : 789,051.30 = 433,499.80 : x
  2. Step 2: Convert to fraction form
    526,811.80/789,051.30 = 433,499.80/x
  3. Step 3: Cross multiply
    526,811.80x = 789,051.30 × 433,499.80
  4. Step 4: Simplify right side
    526,811.80x = 342,053,580,739.74
  5. Step 5: Solve for x
    x = 342,053,580,739.74/526,811.80
  6. Step 6: Final answer
    x = 649,289.90

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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.