Home / 643,842.46-965,935.41-223,117.93

Finding the Fourth Proportional to 643,842.46, 965,935.41 and 223,117.93

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Solution

The fourth proportional to 643,842.46, 965,935.41 and 223,117.93 is: 334,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,842.46 : 965,935.41 = 223,117.93 : x
  2. Step 2: Convert to fraction form
    643,842.46/965,935.41 = 223,117.93/x
  3. Step 3: Cross multiply
    643,842.46x = 965,935.41 × 223,117.93
  4. Step 4: Simplify right side
    643,842.46x = 215,517,509,192.90
  5. Step 5: Solve for x
    x = 215,517,509,192.90/643,842.46
  6. Step 6: Final answer
    x = 334,736.40

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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.