Home / 656,811.36-985,606.16-277,711.40

Finding the Fourth Proportional to 656,811.36, 985,606.16 and 277,711.40

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Solution

The fourth proportional to 656,811.36, 985,606.16 and 277,711.40 is: 416,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,811.36 : 985,606.16 = 277,711.40 : x
  2. Step 2: Convert to fraction form
    656,811.36/985,606.16 = 277,711.40/x
  3. Step 3: Cross multiply
    656,811.36x = 985,606.16 × 277,711.40
  4. Step 4: Simplify right side
    656,811.36x = 273,714,066,542.22
  5. Step 5: Solve for x
    x = 273,714,066,542.22/656,811.36
  6. Step 6: Final answer
    x = 416,731.63

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1.5x scale

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.