Home / 827,367.12-1,142,202.60-556,857.36

Finding the Fourth Proportional to 827,367.12, 1,142,202.60 and 556,857.36

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Solution

The fourth proportional to 827,367.12, 1,142,202.60 and 556,857.36 is: 768,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,367.12 : 1,142,202.60 = 556,857.36 : x
  2. Step 2: Convert to fraction form
    827,367.12/1,142,202.60 = 556,857.36/x
  3. Step 3: Cross multiply
    827,367.12x = 1,142,202.60 × 556,857.36
  4. Step 4: Simplify right side
    827,367.12x = 636,043,924,421.14
  5. Step 5: Solve for x
    x = 636,043,924,421.14/827,367.12
  6. Step 6: Final answer
    x = 768,756.59

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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.