Home / 628,904.64-943,545.84-196,604.70

Finding the Fourth Proportional to 628,904.64, 943,545.84 and 196,604.70

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Solution

The fourth proportional to 628,904.64, 943,545.84 and 196,604.70 is: 294,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,904.64 : 943,545.84 = 196,604.70 : x
  2. Step 2: Convert to fraction form
    628,904.64/943,545.84 = 196,604.70/x
  3. Step 3: Cross multiply
    628,904.64x = 943,545.84 × 196,604.70
  4. Step 4: Simplify right side
    628,904.64x = 185,505,546,809.45
  5. Step 5: Solve for x
    x = 185,505,546,809.45/628,904.64
  6. Step 6: Final answer
    x = 294,966.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.