Home / 657,344.58-985,917.78-208,007.07

Finding the Fourth Proportional to 657,344.58, 985,917.78 and 208,007.07

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Solution

The fourth proportional to 657,344.58, 985,917.78 and 208,007.07 is: 311,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,344.58 : 985,917.78 = 208,007.07 : x
  2. Step 2: Convert to fraction form
    657,344.58/985,917.78 = 208,007.07/x
  3. Step 3: Cross multiply
    657,344.58x = 985,917.78 × 208,007.07
  4. Step 4: Simplify right side
    657,344.58x = 205,077,868,678.71
  5. Step 5: Solve for x
    x = 205,077,868,678.71/657,344.58
  6. Step 6: Final answer
    x = 311,979.25

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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.