Home / 819,993.58-1,131,591.47-457,416.32

Finding the Fourth Proportional to 819,993.58, 1,131,591.47 and 457,416.32

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Solution

The fourth proportional to 819,993.58, 1,131,591.47 and 457,416.32 is: 631,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,993.58 : 1,131,591.47 = 457,416.32 : x
  2. Step 2: Convert to fraction form
    819,993.58/1,131,591.47 = 457,416.32/x
  3. Step 3: Cross multiply
    819,993.58x = 1,131,591.47 × 457,416.32
  4. Step 4: Simplify right side
    819,993.58x = 517,608,398,005.75
  5. Step 5: Solve for x
    x = 517,608,398,005.75/819,993.58
  6. Step 6: Final answer
    x = 631,234.70

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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.