Home / 906,857.92-1,251,438.11-498,960.04

Finding the Fourth Proportional to 906,857.92, 1,251,438.11 and 498,960.04

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Solution

The fourth proportional to 906,857.92, 1,251,438.11 and 498,960.04 is: 688,550.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,857.92 : 1,251,438.11 = 498,960.04 : x
  2. Step 2: Convert to fraction form
    906,857.92/1,251,438.11 = 498,960.04/x
  3. Step 3: Cross multiply
    906,857.92x = 1,251,438.11 × 498,960.04
  4. Step 4: Simplify right side
    906,857.92x = 624,417,603,165.93
  5. Step 5: Solve for x
    x = 624,417,603,165.93/906,857.92
  6. Step 6: Final answer
    x = 688,550.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.