Home / 857,743.47-1,183,677.44-475,760.43

Finding the Fourth Proportional to 857,743.47, 1,183,677.44 and 475,760.43

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Solution

The fourth proportional to 857,743.47, 1,183,677.44 and 475,760.43 is: 656,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,743.47 : 1,183,677.44 = 475,760.43 : x
  2. Step 2: Convert to fraction form
    857,743.47/1,183,677.44 = 475,760.43/x
  3. Step 3: Cross multiply
    857,743.47x = 1,183,677.44 × 475,760.43
  4. Step 4: Simplify right side
    857,743.47x = 563,146,885,456.90
  5. Step 5: Solve for x
    x = 563,146,885,456.90/857,743.47
  6. Step 6: Final answer
    x = 656,544.65

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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.