Home / 838,270.94-1,156,839.99-456,323.18

Finding the Fourth Proportional to 838,270.94, 1,156,839.99 and 456,323.18

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Solution

The fourth proportional to 838,270.94, 1,156,839.99 and 456,323.18 is: 629,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,270.94 : 1,156,839.99 = 456,323.18 : x
  2. Step 2: Convert to fraction form
    838,270.94/1,156,839.99 = 456,323.18/x
  3. Step 3: Cross multiply
    838,270.94x = 1,156,839.99 × 456,323.18
  4. Step 4: Simplify right side
    838,270.94x = 527,892,902,987.97
  5. Step 5: Solve for x
    x = 527,892,902,987.97/838,270.94
  6. Step 6: Final answer
    x = 629,740.19

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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.