Home / 857,695.41-1,183,620.42-475,722.18

Finding the Fourth Proportional to 857,695.41, 1,183,620.42 and 475,722.18

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Solution

The fourth proportional to 857,695.41, 1,183,620.42 and 475,722.18 is: 656,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,695.41 : 1,183,620.42 = 475,722.18 : x
  2. Step 2: Convert to fraction form
    857,695.41/1,183,620.42 = 475,722.18/x
  3. Step 3: Cross multiply
    857,695.41x = 1,183,620.42 × 475,722.18
  4. Step 4: Simplify right side
    857,695.41x = 563,074,486,494.92
  5. Step 5: Solve for x
    x = 563,074,486,494.92/857,695.41
  6. Step 6: Final answer
    x = 656,497.03

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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.