Home / 442,623.18-610,860.23-251,636.12

Finding the Fourth Proportional to 442,623.18, 610,860.23 and 251,636.12

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Solution

The fourth proportional to 442,623.18, 610,860.23 and 251,636.12 is: 347,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,623.18 : 610,860.23 = 251,636.12 : x
  2. Step 2: Convert to fraction form
    442,623.18/610,860.23 = 251,636.12/x
  3. Step 3: Cross multiply
    442,623.18x = 610,860.23 × 251,636.12
  4. Step 4: Simplify right side
    442,623.18x = 153,714,498,476.84
  5. Step 5: Solve for x
    x = 153,714,498,476.84/442,623.18
  6. Step 6: Final answer
    x = 347,280.72

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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.