Home / 1,115,281-1,672,957.88-530,913.85

Finding the Fourth Proportional to 1,115,281, 1,672,957.88 and 530,913.85

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Solution

The fourth proportional to 1,115,281, 1,672,957.88 and 530,913.85 is: 796,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,281 : 1,672,957.88 = 530,913.85 : x
  2. Step 2: Convert to fraction form
    1,115,281/1,672,957.88 = 530,913.85/x
  3. Step 3: Cross multiply
    1,115,281x = 1,672,957.88 × 530,913.85
  4. Step 4: Simplify right side
    1,115,281x = 888,196,508,958.64
  5. Step 5: Solve for x
    x = 888,196,508,958.64/1,115,281
  6. Step 6: Final answer
    x = 796,388.09

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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.