Home / 439,500.08-659,249.88-417,061.40

Finding the Fourth Proportional to 439,500.08, 659,249.88 and 417,061.40

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Solution

The fourth proportional to 439,500.08, 659,249.88 and 417,061.40 is: 625,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,500.08 : 659,249.88 = 417,061.40 : x
  2. Step 2: Convert to fraction form
    439,500.08/659,249.88 = 417,061.40/x
  3. Step 3: Cross multiply
    439,500.08x = 659,249.88 × 417,061.40
  4. Step 4: Simplify right side
    439,500.08x = 274,947,677,902.63
  5. Step 5: Solve for x
    x = 274,947,677,902.63/439,500.08
  6. Step 6: Final answer
    x = 625,591.87

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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.