Home / 743,199.84-1,113,899.04-343,008

Finding the Fourth Proportional to 743,199.84, 1,113,899.04 and 343,008

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Solution

The fourth proportional to 743,199.84, 1,113,899.04 and 343,008 is: 514,096.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,199.84 : 1,113,899.04 = 343,008 : x
  2. Step 2: Convert to fraction form
    743,199.84/1,113,899.04 = 343,008/x
  3. Step 3: Cross multiply
    743,199.84x = 1,113,899.04 × 343,008
  4. Step 4: Simplify right side
    743,199.84x = 382,076,281,912.32
  5. Step 5: Solve for x
    x = 382,076,281,912.32/743,199.84
  6. Step 6: Final answer
    x = 514,096.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.