Home / 827,763.64-1,142,307.83-465,179.69

Finding the Fourth Proportional to 827,763.64, 1,142,307.83 and 465,179.69

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Solution

The fourth proportional to 827,763.64, 1,142,307.83 and 465,179.69 is: 641,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,763.64 : 1,142,307.83 = 465,179.69 : x
  2. Step 2: Convert to fraction form
    827,763.64/1,142,307.83 = 465,179.69/x
  3. Step 3: Cross multiply
    827,763.64x = 1,142,307.83 × 465,179.69
  4. Step 4: Simplify right side
    827,763.64x = 531,378,406,262.69
  5. Step 5: Solve for x
    x = 531,378,406,262.69/827,763.64
  6. Step 6: Final answer
    x = 641,944.61

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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.