Home / 656,738.52-905,738.56-453,114.24

Finding the Fourth Proportional to 656,738.52, 905,738.56 and 453,114.24

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Solution

The fourth proportional to 656,738.52, 905,738.56 and 453,114.24 is: 624,910.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,738.52 : 905,738.56 = 453,114.24 : x
  2. Step 2: Convert to fraction form
    656,738.52/905,738.56 = 453,114.24/x
  3. Step 3: Cross multiply
    656,738.52x = 905,738.56 × 453,114.24
  4. Step 4: Simplify right side
    656,738.52x = 410,403,039,253.09
  5. Step 5: Solve for x
    x = 410,403,039,253.09/656,738.52
  6. Step 6: Final answer
    x = 624,910.87

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Double scale
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1.5x scale

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.