Home / 466,282.44-643,702.14-305,384.04

Finding the Fourth Proportional to 466,282.44, 643,702.14 and 305,384.04

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Solution

The fourth proportional to 466,282.44, 643,702.14 and 305,384.04 is: 421,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,282.44 : 643,702.14 = 305,384.04 : x
  2. Step 2: Convert to fraction form
    466,282.44/643,702.14 = 305,384.04/x
  3. Step 3: Cross multiply
    466,282.44x = 643,702.14 × 305,384.04
  4. Step 4: Simplify right side
    466,282.44x = 196,576,360,069.85
  5. Step 5: Solve for x
    x = 196,576,360,069.85/466,282.44
  6. Step 6: Final answer
    x = 421,582.16

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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.