Home / 358,701.93-494,972.04-220,858.97

Finding the Fourth Proportional to 358,701.93, 494,972.04 and 220,858.97

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Solution

The fourth proportional to 358,701.93, 494,972.04 and 220,858.97 is: 304,762.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,701.93 : 494,972.04 = 220,858.97 : x
  2. Step 2: Convert to fraction form
    358,701.93/494,972.04 = 220,858.97/x
  3. Step 3: Cross multiply
    358,701.93x = 494,972.04 × 220,858.97
  4. Step 4: Simplify right side
    358,701.93x = 109,319,012,458.34
  5. Step 5: Solve for x
    x = 109,319,012,458.34/358,701.93
  6. Step 6: Final answer
    x = 304,762.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.