Home / 819,994.08-1,131,592.16-457,416.82

Finding the Fourth Proportional to 819,994.08, 1,131,592.16 and 457,416.82

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Solution

The fourth proportional to 819,994.08, 1,131,592.16 and 457,416.82 is: 631,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,994.08 : 1,131,592.16 = 457,416.82 : x
  2. Step 2: Convert to fraction form
    819,994.08/1,131,592.16 = 457,416.82/x
  3. Step 3: Cross multiply
    819,994.08x = 1,131,592.16 × 457,416.82
  4. Step 4: Simplify right side
    819,994.08x = 517,609,279,419.09
  5. Step 5: Solve for x
    x = 517,609,279,419.09/819,994.08
  6. Step 6: Final answer
    x = 631,235.39

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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.