Home / 453,966.78-626,286.14-270,168.60

Finding the Fourth Proportional to 453,966.78, 626,286.14 and 270,168.60

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Solution

The fourth proportional to 453,966.78, 626,286.14 and 270,168.60 is: 372,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,966.78 : 626,286.14 = 270,168.60 : x
  2. Step 2: Convert to fraction form
    453,966.78/626,286.14 = 270,168.60/x
  3. Step 3: Cross multiply
    453,966.78x = 626,286.14 × 270,168.60
  4. Step 4: Simplify right side
    453,966.78x = 169,202,849,643.20
  5. Step 5: Solve for x
    x = 169,202,849,643.20/453,966.78
  6. Step 6: Final answer
    x = 372,720.77

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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.