Home / 657,122.64-985,683.96-257,951.40

Finding the Fourth Proportional to 657,122.64, 985,683.96 and 257,951.40

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Solution

The fourth proportional to 657,122.64, 985,683.96 and 257,951.40 is: 386,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,122.64 : 985,683.96 = 257,951.40 : x
  2. Step 2: Convert to fraction form
    657,122.64/985,683.96 = 257,951.40/x
  3. Step 3: Cross multiply
    657,122.64x = 985,683.96 × 257,951.40
  4. Step 4: Simplify right side
    657,122.64x = 254,258,557,439.54
  5. Step 5: Solve for x
    x = 254,258,557,439.54/657,122.64
  6. Step 6: Final answer
    x = 386,927.10

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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.