Home / 466,260.26-643,440.11-275,285.93

Finding the Fourth Proportional to 466,260.26, 643,440.11 and 275,285.93

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Solution

The fourth proportional to 466,260.26, 643,440.11 and 275,285.93 is: 379,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,260.26 : 643,440.11 = 275,285.93 : x
  2. Step 2: Convert to fraction form
    466,260.26/643,440.11 = 275,285.93/x
  3. Step 3: Cross multiply
    466,260.26x = 643,440.11 × 275,285.93
  4. Step 4: Simplify right side
    466,260.26x = 177,130,004,487.02
  5. Step 5: Solve for x
    x = 177,130,004,487.02/466,260.26
  6. Step 6: Final answer
    x = 379,895.14

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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.