Home / 906,310.01-1,250,682.87-498,411.85

Finding the Fourth Proportional to 906,310.01, 1,250,682.87 and 498,411.85

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Solution

The fourth proportional to 906,310.01, 1,250,682.87 and 498,411.85 is: 687,794.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,310.01 : 1,250,682.87 = 498,411.85 : x
  2. Step 2: Convert to fraction form
    906,310.01/1,250,682.87 = 498,411.85/x
  3. Step 3: Cross multiply
    906,310.01x = 1,250,682.87 × 498,411.85
  4. Step 4: Simplify right side
    906,310.01x = 623,355,163,000.01
  5. Step 5: Solve for x
    x = 623,355,163,000.01/906,310.01
  6. Step 6: Final answer
    x = 687,794.64

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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.