Home / 850,049.06-1,173,022.43-487,455.39

Finding the Fourth Proportional to 850,049.06, 1,173,022.43 and 487,455.39

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Solution

The fourth proportional to 850,049.06, 1,173,022.43 and 487,455.39 is: 672,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,049.06 : 1,173,022.43 = 487,455.39 : x
  2. Step 2: Convert to fraction form
    850,049.06/1,173,022.43 = 487,455.39/x
  3. Step 3: Cross multiply
    850,049.06x = 1,173,022.43 × 487,455.39
  4. Step 4: Simplify right side
    850,049.06x = 571,796,103,657.12
  5. Step 5: Solve for x
    x = 571,796,103,657.12/850,049.06
  6. Step 6: Final answer
    x = 672,662.48

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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.