Home / 439,904.32-659,905.68-124,385.84

Finding the Fourth Proportional to 439,904.32, 659,905.68 and 124,385.84

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Solution

The fourth proportional to 439,904.32, 659,905.68 and 124,385.84 is: 186,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,904.32 : 659,905.68 = 124,385.84 : x
  2. Step 2: Convert to fraction form
    439,904.32/659,905.68 = 124,385.84/x
  3. Step 3: Cross multiply
    439,904.32x = 659,905.68 × 124,385.84
  4. Step 4: Simplify right side
    439,904.32x = 82,082,922,327.57
  5. Step 5: Solve for x
    x = 82,082,922,327.57/439,904.32
  6. Step 6: Final answer
    x = 186,592.67

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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.