Home / 465,868.64-642,942.70-261,970.58

Finding the Fourth Proportional to 465,868.64, 642,942.70 and 261,970.58

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Solution

The fourth proportional to 465,868.64, 642,942.70 and 261,970.58 is: 361,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,868.64 : 642,942.70 = 261,970.58 : x
  2. Step 2: Convert to fraction form
    465,868.64/642,942.70 = 261,970.58/x
  3. Step 3: Cross multiply
    465,868.64x = 642,942.70 × 261,970.58
  4. Step 4: Simplify right side
    465,868.64x = 168,432,072,025.77
  5. Step 5: Solve for x
    x = 168,432,072,025.77/465,868.64
  6. Step 6: Final answer
    x = 361,544.13

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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.