Home / 474,078.11-711,117.75-193,595.36

Finding the Fourth Proportional to 474,078.11, 711,117.75 and 193,595.36

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Solution

The fourth proportional to 474,078.11, 711,117.75 and 193,595.36 is: 290,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,078.11 : 711,117.75 = 193,595.36 : x
  2. Step 2: Convert to fraction form
    474,078.11/711,117.75 = 193,595.36/x
  3. Step 3: Cross multiply
    474,078.11x = 711,117.75 × 193,595.36
  4. Step 4: Simplify right side
    474,078.11x = 137,669,093,258.05
  5. Step 5: Solve for x
    x = 137,669,093,258.05/474,078.11
  6. Step 6: Final answer
    x = 290,393.27

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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.