Home / 461,320.62-636,623.40-257,366.44

Finding the Fourth Proportional to 461,320.62, 636,623.40 and 257,366.44

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Solution

The fourth proportional to 461,320.62, 636,623.40 and 257,366.44 is: 355,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,320.62 : 636,623.40 = 257,366.44 : x
  2. Step 2: Convert to fraction form
    461,320.62/636,623.40 = 257,366.44/x
  3. Step 3: Cross multiply
    461,320.62x = 636,623.40 × 257,366.44
  4. Step 4: Simplify right side
    461,320.62x = 163,845,498,078.70
  5. Step 5: Solve for x
    x = 163,845,498,078.70/461,320.62
  6. Step 6: Final answer
    x = 355,166.21

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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.