Home / 474,966.40-711,844.80-194,166.40

Finding the Fourth Proportional to 474,966.40, 711,844.80 and 194,166.40

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Solution

The fourth proportional to 474,966.40, 711,844.80 and 194,166.40 is: 291,002.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,966.40 : 711,844.80 = 194,166.40 : x
  2. Step 2: Convert to fraction form
    474,966.40/711,844.80 = 194,166.40/x
  3. Step 3: Cross multiply
    474,966.40x = 711,844.80 × 194,166.40
  4. Step 4: Simplify right side
    474,966.40x = 138,216,342,174.72
  5. Step 5: Solve for x
    x = 138,216,342,174.72/474,966.40
  6. Step 6: Final answer
    x = 291,002.36

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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.