Home / 857,366.94-1,183,057.62-470,080.44

Finding the Fourth Proportional to 857,366.94, 1,183,057.62 and 470,080.44

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Solution

The fourth proportional to 857,366.94, 1,183,057.62 and 470,080.44 is: 648,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,366.94 : 1,183,057.62 = 470,080.44 : x
  2. Step 2: Convert to fraction form
    857,366.94/1,183,057.62 = 470,080.44/x
  3. Step 3: Cross multiply
    857,366.94x = 1,183,057.62 × 470,080.44
  4. Step 4: Simplify right side
    857,366.94x = 556,132,246,554.95
  5. Step 5: Solve for x
    x = 556,132,246,554.95/857,366.94
  6. Step 6: Final answer
    x = 648,651.38

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Double scale
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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.