Home / 753,994.98-1,040,635.35-561,684.78

Finding the Fourth Proportional to 753,994.98, 1,040,635.35 and 561,684.78

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Solution

The fourth proportional to 753,994.98, 1,040,635.35 and 561,684.78 is: 775,216.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,994.98 : 1,040,635.35 = 561,684.78 : x
  2. Step 2: Convert to fraction form
    753,994.98/1,040,635.35 = 561,684.78/x
  3. Step 3: Cross multiply
    753,994.98x = 1,040,635.35 × 561,684.78
  4. Step 4: Simplify right side
    753,994.98x = 584,509,037,624.97
  5. Step 5: Solve for x
    x = 584,509,037,624.97/753,994.98
  6. Step 6: Final answer
    x = 775,216.09

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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.