Home / 526,474.87-789,527.55-147,293.72

Finding the Fourth Proportional to 526,474.87, 789,527.55 and 147,293.72

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Solution

The fourth proportional to 526,474.87, 789,527.55 and 147,293.72 is: 220,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,474.87 : 789,527.55 = 147,293.72 : x
  2. Step 2: Convert to fraction form
    526,474.87/789,527.55 = 147,293.72/x
  3. Step 3: Cross multiply
    526,474.87x = 789,527.55 × 147,293.72
  4. Step 4: Simplify right side
    526,474.87x = 116,292,453,888.52
  5. Step 5: Solve for x
    x = 116,292,453,888.52/526,474.87
  6. Step 6: Final answer
    x = 220,888.90

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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.