Home / 657,703.92-986,583.60-208,414.92

Finding the Fourth Proportional to 657,703.92, 986,583.60 and 208,414.92

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Solution

The fourth proportional to 657,703.92, 986,583.60 and 208,414.92 is: 312,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,703.92 : 986,583.60 = 208,414.92 : x
  2. Step 2: Convert to fraction form
    657,703.92/986,583.60 = 208,414.92/x
  3. Step 3: Cross multiply
    657,703.92x = 986,583.60 × 208,414.92
  4. Step 4: Simplify right side
    657,703.92x = 205,618,742,067.31
  5. Step 5: Solve for x
    x = 205,618,742,067.31/657,703.92
  6. Step 6: Final answer
    x = 312,631.16

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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.